*,:after,:before{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }/*! tailwindcss v3.4.19 | MIT License | https://tailwindcss.com*/*,:after,:before{box-sizing:border-box;border:0 solid #e5e7eb}:after,:before{--tw-content:""}:host,html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:Inter,ui-sans-serif,system-ui,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:JetBrains Mono,Fira Code,SF Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre{margin:0}fieldset{margin:0}fieldset,legend{padding:0}menu,ol,ul{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}[role=button],button{cursor:pointer}:disabled{cursor:default}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}*{margin:0;box-sizing:border-box;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);display:flex;min-height:100vh;flex-direction:column;background-color:var(--bg-primary);color:var(--text-primary);font-size:16px;line-height:1.6;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:focus-visible{outline-width:2px;outline-offset:2px;outline-color:var(--primary)}::-moz-selection{background-color:var(--primary);--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}::selection{background-color:var(--primary);--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.\!container{width:100%!important}.container{width:100%}@media (min-width:640px){.\!container{max-width:640px!important}.container{max-width:640px}}@media (min-width:768px){.\!container{max-width:768px!important}.container{max-width:768px}}@media (min-width:1024px){.\!container{max-width:1024px!important}.container{max-width:1024px}}@media (min-width:1280px){.\!container{max-width:1280px!important}.container{max-width:1280px}}@media (min-width:1536px){.\!container{max-width:1536px!important}.container{max-width:1536px}}body.share-subject-card .\!card{width:1200px!important;height:630px!important;padding:48px 56px!important;box-sizing:border-box!important;background:radial-gradient(circle at top left,var(--share-subject-card-gradient-warm),transparent 50%),radial-gradient(circle at bottom right,var(--share-subject-card-gradient-cool),transparent 55%),linear-gradient(135deg,var(--share-subject-card-gradient-base),var(--share-subject-card-gradient-mid) 60%,var(--share-subject-card-gradient-base))!important;color:var(--share-subject-card-text)!important;border-radius:32px!important;border:1px solid var(--share-subject-border)!important;position:relative!important;overflow:hidden!important}body.share-subject-card .card{width:1200px;height:630px;padding:48px 56px;box-sizing:border-box;background:radial-gradient(circle at top left,var(--share-subject-card-gradient-warm),transparent 50%),radial-gradient(circle at bottom right,var(--share-subject-card-gradient-cool),transparent 55%),linear-gradient(135deg,var(--share-subject-card-gradient-base),var(--share-subject-card-gradient-mid) 60%,var(--share-subject-card-gradient-base));color:var(--share-subject-card-text);border-radius:32px;border:1px solid var(--share-subject-border);position:relative;overflow:hidden}body.share-subject-card .header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}body.share-subject-card .\!title{font-size:28px!important;font-weight:700!important}body.share-subject-card .title{font-size:28px;font-weight:700}body.share-subject-card .subtitle{font-size:16px;color:var(--share-subject-subtitle);margin-top:6px}body.share-subject-card .hero{display:flex;align-items:baseline;gap:16px;margin-bottom:28px}body.share-subject-card .stats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}body.share-subject-card .stat{background:var(--share-subject-stat-bg);border:1px solid var(--share-subject-border);padding:16px;border-radius:16px}body.share-subject-card .\!footer{position:absolute!important;bottom:32px!important;left:56px!important;right:56px!important;display:flex!important;align-items:center!important;justify-content:space-between!important}body.share-subject-card .footer{position:absolute;bottom:32px;left:56px;right:56px;display:flex;align-items:center;justify-content:space-between}body.share-subject-card .brand{font-size:16px;font-weight:700;letter-spacing:.15em}body.share-subject-card .\!qr{width:96px!important;height:96px!important;border-radius:16px!important;background:var(--share-subject-qr-bg)!important;padding:8px!important}body.share-subject-card .qr{width:96px;height:96px;border-radius:16px;background:var(--share-subject-qr-bg);padding:8px}body.share-semester-card .\!card{width:1200px!important;height:630px!important;padding:48px 56px!important;box-sizing:border-box!important;background:radial-gradient(circle at top left,var(--share-semester-card-gradient-warm),transparent 50%),radial-gradient(circle at bottom right,var(--share-semester-card-gradient-cool),transparent 55%),linear-gradient(135deg,var(--share-semester-card-gradient-base),var(--share-semester-card-gradient-mid) 60%,var(--share-semester-card-gradient-base))!important;color:var(--share-semester-card-text)!important;border-radius:32px!important;border:1px solid var(--share-semester-border)!important;position:relative!important;overflow:hidden!important}body.share-semester-card .card{width:1200px;height:630px;padding:48px 56px;box-sizing:border-box;background:radial-gradient(circle at top left,var(--share-semester-card-gradient-warm),transparent 50%),radial-gradient(circle at bottom right,var(--share-semester-card-gradient-cool),transparent 55%),linear-gradient(135deg,var(--share-semester-card-gradient-base),var(--share-semester-card-gradient-mid) 60%,var(--share-semester-card-gradient-base));color:var(--share-semester-card-text);border-radius:32px;border:1px solid var(--share-semester-border);position:relative;overflow:hidden}body.share-semester-card .header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}body.share-semester-card .header .title{font-size:18px;letter-spacing:.2em;text-transform:uppercase;color:var(--share-semester-header-title)}body.share-semester-card .header .\!title{font-size:18px!important;letter-spacing:.2em!important;text-transform:uppercase!important;color:var(--share-semester-header-title)!important}body.share-semester-card .header .semester{font-size:28px;font-weight:700}body.share-semester-card .hero{display:flex;align-items:baseline;gap:16px;margin-bottom:28px}body.share-semester-card .stats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:32px}body.share-semester-card .stat{background:var(--share-semester-stat-bg);border:1px solid var(--share-semester-border);padding:16px;border-radius:16px}body.share-semester-card .\!footer{position:absolute!important;bottom:32px!important;left:56px!important;right:56px!important;display:flex!important;align-items:center!important;justify-content:space-between!important}body.share-semester-card .footer{position:absolute;bottom:32px;left:56px;right:56px;display:flex;align-items:center;justify-content:space-between}body.share-semester-card .brand{font-size:16px;font-weight:700;letter-spacing:.15em}body.share-semester-card .\!qr{width:96px!important;height:96px!important;border-radius:16px!important;background:var(--share-semester-qr-bg)!important;padding:8px!important}body.share-semester-card .qr{width:96px;height:96px;border-radius:16px;background:var(--share-semester-qr-bg);padding:8px}.\!btn,.btn{position:relative;display:inline-flex;cursor:pointer;align-items:center;justify-content:center;gap:.5rem;overflow:hidden;border-radius:12px;border-width:1px;padding:.625rem 1.25rem;font-size:.875rem;line-height:1.25rem;font-weight:500;text-decoration-line:none}.\!btn{border-color:var(--border-color)!important;background-color:#fff!important;color:var(--text-secondary)!important;box-shadow:var(--shadow)!important;transition:all var(--transition-fast)!important;letter-spacing:.01em!important}.btn{border-color:var(--border-color);background-color:#fff;color:var(--text-secondary);box-shadow:var(--shadow);transition:all var(--transition-fast);letter-spacing:.01em}.\!btn:hover{background-color:var(--bg-card-hover)!important;border-color:var(--border-hover)!important;transform:translateY(-1px)!important;box-shadow:var(--shadow-md)!important}.btn:hover{background-color:var(--bg-card-hover);border-color:var(--border-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.\!btn:active{transform:translateY(0)!important;box-shadow:var(--shadow)!important}.btn:active{transform:translateY(0);box-shadow:var(--shadow)}.\!btn:disabled,.btn:disabled{cursor:not-allowed;opacity:.5}.\!btn:disabled{transform:none!important}.btn:disabled{transform:none}.btn-primary{background-color:#f97316;border-color:#f97316;box-shadow:0 1px 3px rgba(249,115,22,.3)}.btn-primary,.btn-primary:hover{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.btn-primary:hover{background-color:#ea580c;border-color:#ea580c;box-shadow:0 4px 6px rgba(249,115,22,.3)}.btn-secondary{background-color:var(--bg-secondary);border-color:var(--border-color);color:var(--text-secondary)}.btn-secondary:hover{background-color:var(--bg-accent);color:var(--text-primary);border-color:var(--border-hover)}.btn-outline{background-color:transparent;border:1px solid var(--border-color);color:var(--text-secondary);box-shadow:none}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background-color:var(--primary-light);box-shadow:none}.btn-error{border-color:var(--error);background-color:var(--error);--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.btn-sm{padding:.5rem 1rem;font-size:.8125rem}.btn-lg{padding:.875rem 1.75rem;font-size:1rem;line-height:1.5rem}.btn-block{width:100%}[data-theme=dark] .\!btn{background-color:var(--bg-accent)!important;color:var(--text-primary)!important;border-color:var(--border-color)!important;box-shadow:none!important}[data-theme=dark] .btn{background-color:var(--bg-accent);color:var(--text-primary);border-color:var(--border-color);box-shadow:none}[data-theme=dark] .\!btn:hover{background-color:var(--bg-card-hover)!important;border-color:var(--border-hover)!important}[data-theme=dark] .btn:hover{background-color:var(--bg-card-hover);border-color:var(--border-hover)}[data-theme=dark] .btn-primary{background-color:#f97316;border-color:#f97316;box-shadow:0 1px 3px rgba(249,115,22,.3)}[data-theme=dark] .btn-primary,[data-theme=dark] .btn-primary:hover{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}[data-theme=dark] .btn-primary:hover{background-color:#ea580c;border-color:#ea580c;box-shadow:0 4px 6px rgba(249,115,22,.3)}[data-theme=dark] .btn-secondary{background-color:var(--bg-accent);border-color:var(--border-color);color:var(--text-secondary)}[data-theme=dark] .btn-secondary:hover{background-color:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-hover)}[data-theme=dark] .btn-outline{background-color:transparent;border-color:var(--border-color);color:var(--text-muted)}[data-theme=dark] .btn-outline:hover{border-color:var(--text-primary);color:var(--text-primary);background-color:transparent}[data-theme=dark] .btn-error{border-color:var(--error);background-color:var(--error);--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.\!card{background-color:#fff!important;border:1px solid var(--border-subtle)!important;border-radius:var(--radius-lg)!important}.card{background-color:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg)}.\!card,.card{padding:1.75rem}.\!card{box-shadow:var(--shadow)!important;transition:all var(--transition-fast)!important}.card{box-shadow:var(--shadow);transition:all var(--transition-fast)}.\!card:hover{border-color:var(--border-hover)!important;box-shadow:var(--shadow-md)!important}.card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-md)}[data-theme=dark] .\!card{background-color:var(--bg-card)!important}[data-theme=dark] .card{background-color:var(--bg-card)}.card-title{margin:0;font-size:1.125rem;line-height:1.75rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.card-body{font-size:.875rem;line-height:1.25rem;color:var(--text-secondary)}.dashboard-card-title-row .card-title{margin:0}.alert{margin-bottom:1.5rem;display:flex;align-items:center;justify-content:space-between;border-radius:12px;padding:1rem 1.25rem;border:1px solid var(--border-color);background-color:#fff;box-shadow:var(--shadow);animation:slideDown .3s ease}[data-theme=dark] .alert{background-color:var(--bg-card)}.alert-error{border-color:var(--error);background-color:var(--error-bg);color:var(--error)}.badge{display:inline-flex;align-items:center;border-radius:9999px;border-style:none;padding:.25rem .75rem;font-size:.75rem;line-height:1rem;font-weight:500;background-color:var(--bg-secondary);color:var(--text-secondary);letter-spacing:.01em}.badge-processing{background-color:var(--primary-light);color:var(--primary);animation:pulse 2s ease-in-out infinite}.badge-easy{background-color:rgba(16,185,129,.15);color:#10b981}.badge-medium{background-color:rgba(245,158,11,.15);color:#f59e0b}.badge-hard{background-color:rgba(239,68,68,.15);color:#ef4444}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.875rem;line-height:1.25rem;font-weight:500;color:var(--text-secondary)}.form-group input,.form-group select,.form-group textarea{border-radius:12px;padding:.75rem 1rem;font-size:1rem;line-height:1.5rem;background-color:#fff;border:1px solid var(--border-color);color:var(--text-primary);transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid transparent;outline-offset:2px;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.form-group input::-moz-placeholder,.form-group textarea::-moz-placeholder{color:var(--text-dark)}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-dark)}[data-theme=dark] .form-group input,[data-theme=dark] .form-group select,[data-theme=dark] .form-group textarea{background-color:var(--bg-card)}.navbar{position:sticky;top:0;z-index:50;flex-shrink:0;padding-top:.875rem;padding-bottom:.875rem;padding-left:2.5rem;padding-right:2.5rem;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:none}.navbar,[data-theme=dark] .navbar{background-color:#0a0a0a;border-bottom:1px solid #222}.nav-container{display:flex;align-items:center;justify-content:space-between;gap:3rem}.nav-logo{display:inline-flex;align-items:center;font-weight:700;text-decoration-line:none;gap:.5rem;font-size:1.25rem;color:var(--text-primary);letter-spacing:-.02em;line-height:1}.nav-logo-img{width:34px;height:34px;border-radius:8px;-o-object-fit:cover;object-fit:cover;flex-shrink:0;border:none;outline:none;box-shadow:none;vertical-align:middle}.theme-logo-light{display:none}.theme-logo-dark{display:block}html:not([data-theme=dark]) .theme-logo-dark{display:none}html:not([data-theme=dark]) .theme-logo-light{display:block}.nav-links{display:flex;flex:1 1 0%;justify-content:flex-end;gap:2.5rem}.nav-link{font-weight:500;text-decoration-line:none;font-size:14px;color:var(--text-muted);letter-spacing:.01em;transition:color .2s}.nav-link:hover{color:var(--primary)}.nav-user{display:flex;align-items:center;gap:1rem;min-width:0}.nav-user-identity{gap:.45rem;min-width:0}.nav-user-identity,.nav-user-role{display:inline-flex;align-items:center}.nav-user-role{justify-content:center;padding:.22rem .5rem;border-radius:999px;border:1px solid rgba(255,107,53,.26);background:rgba(255,107,53,.1);color:#ff6b35;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;line-height:1;white-space:nowrap}.trial-badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:.25rem .55rem;border-radius:999px;color:#111;background:#f3f4f6;border:1px solid #d1d5db;white-space:nowrap}[data-theme=dark] .trial-badge{background:#151515;border-color:#2a2a2a;color:#e5e7eb}.nav-cta{display:flex;align-items:center;gap:.75rem}.username{font-weight:500;display:block;max-width:11rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;color:var(--text-secondary)}.main-content{margin-left:auto;margin-right:auto;width:100%;max-width:1400px;flex:1 1 0%;padding:2rem 2.5rem 3rem}.page-header{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;margin-bottom:2rem;gap:1.5rem}.page-title{font-size:40px;font-weight:700;line-height:1.15;color:var(--text-primary);letter-spacing:-.03em}.page-subtitle{margin-top:.35rem;font-size:14px;font-weight:400;color:var(--text-muted)}.auth-container{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 200px)}.auth-card{width:100%;max-width:28rem;border-radius:1rem;padding:3rem;background-color:#fff;border:1px solid var(--border-subtle);box-shadow:var(--shadow-lg)}.auth-card .alert-info{background-color:var(--auth-alert-info-bg);color:var(--auth-alert-info-text);border:1px solid var(--auth-alert-info-border);padding:.75rem;border-radius:6px;margin-bottom:1rem}.auth-card .alert-warning{background-color:var(--auth-alert-warning-bg);color:var(--auth-alert-warning-text);border:1px solid var(--auth-alert-warning-border);padding:.75rem;border-radius:6px;margin-bottom:1rem;font-size:.9rem}[data-theme=dark] .auth-card{background-color:var(--bg-card)}.auth-logo{margin-bottom:2rem}.auth-logo,.auth-title{text-align:center}.auth-title{margin-bottom:.5rem;font-size:1.875rem;line-height:2.25rem;font-weight:700;color:var(--text-primary);letter-spacing:-.03em}.auth-subtitle{margin-bottom:2.5rem;text-align:center;font-size:.875rem;line-height:1.25rem;color:var(--text-muted)}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.auth-footer{margin-top:2rem;text-align:center;font-size:.875rem;line-height:1.25rem;color:var(--text-muted)}.auth-footer a{font-weight:500;text-decoration-line:none;color:var(--primary)}.auth-footer a:hover{text-decoration-line:underline}.auth-brand{font-size:1.5rem;font-weight:700;text-align:center;margin-bottom:.5rem;color:var(--text-primary);display:flex;flex-direction:column;align-items:center;gap:.5rem}.auth-brand-logo{border-radius:10px;-o-object-fit:cover;object-fit:cover;vertical-align:middle}.auth-logo .auth-brand-logo{display:block;margin:0 auto .5rem}.auth-header{margin-bottom:1.5rem}.auth-provider{margin-bottom:1rem}.btn-google{display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%;padding:.65rem 1rem;font-size:.9rem;font-weight:500;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-primary);color:var(--text-primary);text-decoration:none;transition:background .15s,border-color .15s}.btn-google:hover{background:var(--bg-secondary);border-color:var(--text-muted)}.google-icon{width:20px;height:20px;flex-shrink:0}.auth-divider{display:flex;align-items:center;gap:1rem;margin:1.25rem 0;color:var(--text-muted);font-size:.8rem}.auth-divider:after,.auth-divider:before{content:"";flex:1;height:1px;background:var(--border-subtle)}.site-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:1rem;padding-top:1.5rem;padding-bottom:1.5rem;text-align:center;font-size:.875rem;line-height:1.25rem;background:var(--bg-primary);color:var(--text-muted);border-top:1px solid var(--border-subtle)}.quiz-container{margin-left:auto;margin-right:auto;max-width:48rem}.short-quiz-container{max-width:72rem}.quiz-progress{margin-bottom:2rem;display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;font-size:.875rem;line-height:1.25rem;background-color:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);color:var(--text-secondary);box-shadow:var(--shadow);position:sticky;top:0;z-index:8}[data-theme=dark] .quiz-progress{background-color:var(--bg-card)}.progress-bar{margin-left:1.5rem;margin-right:1.5rem;height:.5rem;flex:1 1 0%;overflow:hidden;background-color:var(--bg-secondary)}.progress-bar,.progress-fill{border-radius:9999px}.progress-fill{height:100%;transition:width .5s cubic-bezier(.4,0,.2,1)}.progress-fill,.quiz-progress .progress-fill{background:linear-gradient(90deg,var(--primary),var(--success))}.question-card{margin-bottom:1.25rem;padding:1.5rem 1.75rem;background-color:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:all var(--transition-base)}.question-card:hover{border-color:var(--border-color);box-shadow:var(--shadow-md)}[data-theme=dark] .question-card{background-color:var(--bg-card)}.question-header{margin-bottom:1.5rem;display:flex;align-items:center;justify-content:space-between}.question-number{font-size:13px;font-weight:500;color:var(--text-muted)}.question-text{font-size:18px;font-weight:400;margin-bottom:1.75rem;line-height:1.6;color:var(--text-primary);letter-spacing:-.01em;white-space:normal;overflow-wrap:anywhere;word-break:break-word}.options-list{display:flex;flex-direction:column;gap:.625rem}.option-item{display:flex;cursor:pointer;align-items:center;border-radius:12px;padding:1rem 1.25rem;position:relative;background-color:var(--bg-primary);border:2px solid var(--border-color);transition:all var(--transition-fast)}.option-item.selected,.option-item:hover{border-color:var(--primary);background-color:var(--primary-light)}.option-item.\!selected{border-color:var(--primary)!important;background-color:var(--primary-light)!important}.option-item.correct{border-color:var(--success);background-color:var(--success-bg)}.option-item.incorrect{border-color:var(--error);background-color:var(--error-bg);opacity:.8}.option-item input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.option-item:focus-within{outline:2px solid var(--primary);outline-offset:2px}.option-letter{margin-right:1rem;display:flex;height:2rem;width:2rem;flex-shrink:0;align-items:center;justify-content:center;border-radius:9999px;font-size:.875rem;line-height:1.25rem;font-weight:600;border:2px solid var(--border-color);color:var(--text-muted);background:#fff;transition:all var(--transition-fast)}[data-theme=dark] .option-letter{background:var(--bg-card)}.option-item:hover .option-letter{border-color:var(--primary);color:var(--primary)}.option-item.selected .option-letter{border-color:var(--primary);background-color:var(--primary)}.option-item.\!selected .option-letter{border-color:var(--primary)!important;background-color:var(--primary)!important}.option-item.\!selected .option-letter,.option-item.correct .option-letter,.option-item.selected .option-letter{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.option-item.correct .option-letter{background-color:var(--success);border-color:var(--success)}.option-item.incorrect .option-letter{background-color:var(--error);--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1));border-color:var(--error)}.option-text{flex:1;font-size:16px;font-weight:400;line-height:1.6}.answer-feedback,.option-text{color:var(--text-secondary)}.answer-feedback{margin-top:1.5rem;border-radius:12px;padding:1.25rem;font-size:.875rem;line-height:1.25rem;border:1px solid var(--border-color);background-color:var(--bg-secondary);animation:fadeIn .3s ease}.answer-feedback.correct{border-color:var(--success);background-color:var(--success-bg);color:var(--text-primary)}.answer-feedback.incorrect{border-color:var(--error);background-color:var(--error-bg);color:var(--text-secondary)}.quiz-actions{margin-top:1.5rem;display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.quiz-actions .btn{width:100%}.quiz-actions .\!btn{width:100%!important}.quiz-toolbar{display:flex;justify-content:flex-end;align-items:center;margin-bottom:1rem}.quiz-toolbar-actions{display:flex;gap:.5rem;align-items:center}.tool-breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem;margin:0 0 .9rem;font-size:.8rem;color:var(--text-muted)}.tool-breadcrumbs a{color:var(--text-muted);text-decoration:none}.tool-breadcrumbs a:hover{color:var(--text-primary)}.tool-breadcrumb-sep{opacity:.45}.tool-breadcrumb-current{color:var(--text-primary);font-weight:600}@media (max-width:768px){.tool-breadcrumbs{flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;padding-bottom:.15rem}}body.imported-coderunner-body .test-result-item.passed{background:var(--coderunner-pass-bg);border-left:3px solid var(--coderunner-pass-border)}body.imported-coderunner-body .test-result-item.failed{background:var(--coderunner-fail-bg);border-left:3px solid var(--coderunner-fail-border)}body.imported-matching-body .matching-row.correct{background:var(--success-bg)!important;border:1px solid var(--success)}body.imported-matching-body .matching-row.incorrect{background:var(--error-bg)!important;border:1px solid var(--error)}body.imported-matching-body .matching-row.unknown{border:1px dashed var(--border-color);background:var(--bg-secondary)}body.quiz-review-body .review-option.correct{background:var(--review-success-bg);border-color:var(--success-color)}body.quiz-review-body .review-option.incorrect{background:var(--review-error-bg);border-color:var(--danger-color)}.notes-container{display:grid;align-items:flex-start;gap:3rem;grid-template-columns:220px 1fr}.notes-toc a.active,.notes-toc a:hover{color:var(--primary)}.notes-toc a.active{font-weight:600}.notes-content h1{font-size:32px;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-subtle);line-height:1.25}.notes-content h1,.notes-content h2{font-weight:400;color:var(--text-primary);letter-spacing:-.02em}.notes-content h2{font-size:28px;margin-top:2.5rem;margin-bottom:1rem;scroll-margin-top:110px;line-height:1.3}.notes-content h3{font-size:23px;margin-top:2rem;margin-bottom:.75rem;letter-spacing:-.01em;line-height:1.35}.notes-content h3,.notes-content h4{font-weight:400;color:var(--text-primary);scroll-margin-top:110px}.notes-content h4{font-size:19px;margin-top:1.5rem;margin-bottom:.5rem;letter-spacing:-.005em;line-height:1.4}.notes-content p{font-size:16px;font-weight:400;margin-bottom:1rem;color:var(--text-secondary);line-height:1.7}.notes-content ol,.notes-content ul{margin-bottom:1.25rem;padding-left:1.5rem;color:var(--text-secondary)}.notes-content li{margin-bottom:.5rem}.notes-content code{border-radius:8px;padding:.125rem .5rem;font-size:.85em;background-color:var(--bg-secondary);font-family:var(--font-mono);color:var(--primary)}.notes-content pre{margin-bottom:1.5rem;overflow-x:auto;border-radius:12px;border-style:none;padding:1.5rem;background-color:#1e293b;box-shadow:var(--shadow)}.notes-content pre code{background-color:transparent;padding:0;color:#e2e8f0}.notes-content strong{font-weight:600;color:var(--text-primary)}.notes-content blockquote{margin-top:1.5rem;margin-bottom:1.5rem;padding:1rem 1.5rem;font-style:italic;border-left:4px solid var(--primary);color:var(--text-secondary);background:var(--bg-secondary);border-radius:0 var(--radius) var(--radius) 0}.notes-content table{margin-bottom:1.5rem;width:100%;border-collapse:separate;border-spacing:0;background:var(--notes-table-dark-bg);border:1px solid var(--notes-table-dark-border);border-radius:1rem;overflow:hidden;box-shadow:0 12px 26px rgba(15,23,42,.08)}.notes-content td,.notes-content th{padding:1rem 1.25rem;text-align:left;vertical-align:top;border-right:1px solid var(--notes-table-dark-border);border-bottom:1px solid var(--notes-table-dark-border)}.notes-content td:last-child,.notes-content th:last-child{border-right:none}.notes-content tbody tr:last-child td{border-bottom:none}.notes-content th{font-weight:600;background-color:var(--notes-table-header-bg);color:var(--text-primary)}.notes-content tbody tr:nth-child(2n){background:rgba(15,23,42,.03)}.section-title{font-size:20px;font-weight:600;margin:0 0 .5rem;color:var(--text-primary)}.modal-overlay{visibility:hidden;position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:1rem;opacity:0;background-color:rgba(0,0,0,.5);transition:opacity .2s,visibility .2s}.modal-overlay.active{visibility:visible;opacity:1}.landing-page .animate-on-scroll.modal-overlay.active{opacity:1;transform:translateY(0)}.\!modal,.modal{width:100%;max-width:32rem;border-radius:1rem;padding:2rem}.\!modal{background-color:#fff!important;box-shadow:var(--shadow-lg)!important;transform:translateY(20px)!important;transition:transform .2s!important}.modal{background-color:#fff;box-shadow:var(--shadow-lg);transform:translateY(20px);transition:transform .2s}[data-theme=dark] .\!modal{background-color:var(--bg-card)!important}[data-theme=dark] .modal{background-color:var(--bg-card)}.modal-overlay.active .modal{transform:translateY(0)}.modal-overlay.active .\!modal{transform:translateY(0)!important}.trial-expired-modal{position:relative;max-width:30rem;padding:1.4rem 1.4rem 1.25rem;border:1px solid var(--border-subtle);background:linear-gradient(170deg,color-mix(in srgb,var(--bg-card) 92%,var(--primary) 8%),var(--bg-card) 62%);box-shadow:0 14px 34px rgba(2,6,23,.16),var(--shadow-lg)}[data-theme=dark] .trial-expired-modal{background:linear-gradient(170deg,color-mix(in srgb,var(--bg-card) 88%,var(--primary) 12%),var(--bg-card) 64%);box-shadow:0 18px 40px rgba(0,0,0,.45)}.trial-expired-close{position:absolute;top:.45rem;right:.55rem}.trial-expired-icon{width:2.55rem;height:2.55rem;margin-bottom:.75rem;display:inline-flex;align-items:center;justify-content:center;border-radius:.72rem;color:var(--primary);background:color-mix(in srgb,var(--primary-light) 78%,transparent 22%);border:1px solid color-mix(in srgb,var(--primary) 28%,transparent 72%);box-shadow:0 6px 18px color-mix(in srgb,var(--primary) 22%,transparent 78%)}.trial-expired-icon svg{width:1.2rem;height:1.2rem}.trial-expired-modal h3{margin:0 0 .42rem;font-size:1.15rem;font-weight:800;letter-spacing:-.01em;color:var(--text-primary)}.trial-expired-modal p{margin:0;color:var(--text-secondary);font-size:.95rem;line-height:1.55}.trial-expired-hint{margin-top:.58rem;color:var(--text-muted);font-size:.84rem;line-height:1.45}.trial-expired-actions{margin-top:1rem;display:flex;justify-content:flex-end}.trial-expired-actions .btn{min-width:10rem}.trial-expired-actions .\!btn{min-width:10rem!important}@media (max-width:640px){.trial-expired-modal{max-width:min(100%,24rem);padding:1.2rem 1rem 1rem}.trial-expired-actions{justify-content:stretch}.trial-expired-actions .btn{width:100%}.trial-expired-actions .\!btn{width:100%!important}}.modal-header{margin-bottom:1.5rem;display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:20px;font-weight:600;color:var(--text-primary)}.modal-close{cursor:pointer;border-style:none;background-color:transparent;font-size:1.5rem;line-height:2rem;color:var(--text-muted)}.modal-close:hover{color:var(--text-primary)}.upload-tab{align-items:center;justify-content:center}#audio-drop-zone i,#audio-drop-zone svg,#drop-zone i,#drop-zone svg,.upload-tab i,.upload-tab svg{display:inline-flex;align-items:center;justify-content:center;vertical-align:middle}#audio-drop-zone i,#audio-drop-zone svg,#drop-zone i,#drop-zone svg{margin:0 auto}.theme-toggle{display:flex;height:2.5rem;width:2.5rem;cursor:pointer;align-items:center;justify-content:center;border-radius:9999px;border-style:none;background-color:transparent;color:var(--text-muted);transition:color .2s,background-color .2s}.theme-toggle:hover{color:var(--text-primary);background:var(--bg-secondary)}.icon-moon,.icon-sun{font-size:1.125rem;line-height:1.75rem}.icon-moon,[data-theme=dark] .icon-sun{display:none}[data-theme=dark] .icon-moon{display:block}.upload-area{cursor:pointer;border-radius:16px;padding:2rem;text-align:center;border:2px dashed var(--border-color);background:var(--bg-card);transition:all var(--transition-fast)}.upload-area.dragover,.upload-area:hover{border-color:var(--primary);background:var(--primary-light)}[data-theme=dark] .upload-area{background:var(--bg-card)}.\!grid{display:grid!important;gap:1.5rem!important}.grid{display:grid;gap:1.5rem}.flashcard{height:12rem;width:16rem;cursor:pointer;perspective:1000px}.flashcard-inner{position:relative;height:100%;width:100%;transition:transform .6s;transform-style:preserve-3d}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard.\!flipped .flashcard-inner{transform:rotateY(180deg)!important}.flashcard-back,.flashcard-front{position:absolute;display:flex;height:100%;width:100%;align-items:center;justify-content:center;border-radius:1rem;padding:1.5rem;text-align:center;backface-visibility:hidden;background:linear-gradient(135deg,#ff6b35,#f7931e);--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.flashcard-back{transform:rotateY(180deg);background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-primary)}body.flashcards-study-body .swipe-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.8);display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.25rem 1.5rem;border-radius:var(--radius-xl);opacity:0;pointer-events:none;transition:opacity .12s ease,transform .12s ease;z-index:10;font-weight:600;font-size:1rem;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}body.flashcards-study-body .swipe-indicator-left{background:var(--flashcards-swipe-left-bg);color:var(--flashcards-swipe-left-text);border:2px solid var(--flashcards-swipe-left-border);box-shadow:0 4px 20px var(--flashcards-swipe-left-shadow)}body.flashcards-study-body .swipe-indicator-right{background:var(--flashcards-swipe-right-bg);color:var(--flashcards-swipe-right-text);border:2px solid var(--flashcards-swipe-right-border);box-shadow:0 4px 20px var(--flashcards-swipe-right-shadow)}body.flashcards-study-body .swipe-indicator svg{width:40px!important;height:40px!important;flex-shrink:0}body.flashcards-study-body .swipe-indicator-left svg,body.flashcards-study-body .swipe-indicator-right svg{transform:rotate(0deg)}body.flashcards-study-body .flashcard-container{position:relative;touch-action:pan-y;-moz-user-select:none;user-select:none;-webkit-user-select:none}body.flashcards-study-body .flashcard-inner{will-change:transform}body.flashcards-study-body .flashcard{will-change:transform,opacity}body.flashcards-study-body .flashcard-inner.snap-back{transition:transform .25s cubic-bezier(.4,0,.2,1)!important}@media (max-width:768px){body.flashcards-study-body .swipe-indicator{padding:1rem 1.25rem;font-size:.875rem}body.flashcards-study-body .swipe-indicator svg{width:32px!important;height:32px!important}}@media (prefers-reduced-motion:reduce){body.flashcards-study-body .swipe-indicator{transition:opacity .1s ease}body.flashcards-study-body .flashcard-inner{transition:none!important}}.flashcard-preview.\!flipped .flashcard-preview-inner{transform:rotateY(180deg)!important}.flashcard-preview.flipped .flashcard-preview-inner{transform:rotateY(180deg)}.flashcard-option.\!selected{border-color:#f97316!important;background:rgba(249,115,22,.1)!important}.flashcard-option.selected{border-color:#f97316;background:rgba(249,115,22,.1)}.share-card-image{max-width:100%;border-radius:16px;box-shadow:var(--shadow-lg)}.admin-table{width:100%;border-collapse:collapse}.admin-table td,.admin-table th{padding:.75rem 1rem;text-align:left;font-size:.875rem;line-height:1.25rem;border-bottom:1px solid var(--border-subtle)}.admin-table th{font-size:.75rem;line-height:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.admin-table th,.admin-table tr:hover td{background-color:var(--bg-secondary)}.logout-form{display:inline}.pricing-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.pricing-card{border-radius:1rem;padding:2rem;text-align:center;background:var(--bg-card);border:1px solid var(--border-subtle);box-shadow:var(--shadow)}.pricing-card.featured{border-color:var(--primary);box-shadow:0 0 30px rgba(59,130,246,.2)}.pricing-price{margin-top:1rem;margin-bottom:1rem;font-size:2.25rem;line-height:2.5rem;font-weight:700;color:var(--text-primary)}.pricing-features{margin-top:2rem;margin-bottom:2rem;list-style-type:none;padding:0;text-align:left}.pricing-features li{display:flex;align-items:center;gap:.75rem;padding-top:.5rem;padding-bottom:.5rem;font-size:.875rem;line-height:1.25rem;color:var(--text-secondary)}.step-circle.active{border-color:var(--primary);color:var(--primary)}.step-circle.completed{background-color:var(--success);border-color:var(--success);--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity,1))}.study-path-card .card-title{font-size:1rem;line-height:1.5rem;font-weight:600;margin:0;color:var(--text-primary)}.study-path-card .card-body{display:flex;flex:1 1 0%;flex-direction:column;justify-content:space-between}.study-path-card .card-body p{font-size:.875rem;line-height:1.25rem;margin-bottom:auto;color:var(--text-muted)}.empty-state{padding-top:3rem;padding-bottom:3rem;text-align:center}.empty-state-icon{margin-bottom:1rem;font-size:3rem;line-height:1}.empty-state-title{margin-bottom:.5rem;font-size:1.25rem;line-height:1.75rem;font-weight:600;color:var(--text-primary)}.empty-state p{color:var(--text-muted)}body.week-page-body .processing-info-card{background:linear-gradient(135deg,var(--week-processing-bg-start) 0,var(--week-processing-bg-end) 100%);border:1px solid var(--week-processing-border);border-radius:12px;padding:1.25rem 1.5rem;margin-bottom:1.5rem;max-width:400px}body.week-page-body .processing-icon{color:var(--week-processing-icon)}body.week-page-body .processing-message{font-size:.95rem;font-weight:500;color:var(--text-primary);margin-bottom:.25rem}body.week-page-body .processing-submessage{font-size:.8rem;color:var(--text-muted);margin-bottom:1rem;line-height:1.4}body.week-page-body .processing-progress-fill{height:100%;background:linear-gradient(90deg,var(--week-processing-progress-start),var(--week-processing-progress-end));border-radius:3px;width:0;transition:width .5s ease;animation:progressPulse 2s ease-in-out infinite}body.week-page-body .processing-time{font-size:.75rem;color:var(--text-muted);white-space:nowrap}body.week-page-body .processing-tip.active{opacity:1;display:block}body.week-page-body .badge-processing{display:inline-flex;align-items:center;gap:.4rem}body.week-page-body .topic-tag.weak{background:var(--week-topic-weak-bg);border-color:var(--week-topic-weak-border);color:var(--week-topic-weak-color)}body.week-page-body .topic-tag.weak:hover{transform:translateY(-1px);box-shadow:0 6px 16px var(--week-topic-weak-shadow)}body.notes-page-body{background:var(--notes-page-bg-light)}html[data-theme=dark] body.notes-page-body{background:var(--notes-page-bg-dark)}html[data-theme=dark] body.notes-page-body .navbar{background-color:var(--notes-navbar-bg);border-bottom:1px solid var(--notes-navbar-border);box-shadow:var(--notes-navbar-shadow)}html[data-theme=dark] body.notes-page-body .site-footer{background:var(--notes-footer-bg);border-top:1px solid var(--notes-navbar-border)}body.notes-page-body .main-content{padding:0;max-width:none}body.notes-page-body .notes-page-layout{display:flex;width:100%;height:calc(100vh - var(--app-nav-height, 53px));padding:0;background:#0a0a0a;overflow:hidden}html:not([data-theme=dark]) body.notes-page-body .notes-page-layout{background:var(--notes-page-bg-light)}body.notes-page-body .notes-shell{position:relative;isolation:isolate;flex:1;min-width:0;padding:0 2rem 3rem;background:#0a0a0a;border:1px solid hsla(0,0%,100%,.06);border-radius:16px;box-shadow:none;margin:0;overflow-y:auto;overflow-x:hidden}body.notes-page-body .notes-shell::-webkit-scrollbar{width:6px}body.notes-page-body .notes-shell::-webkit-scrollbar-track{background:transparent}body.notes-page-body .notes-shell::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.15);border-radius:3px}body.notes-page-body .notes-shell::-webkit-scrollbar-thumb:hover{background:hsla(0,0%,100%,.25)}html:not([data-theme=dark]) body.notes-page-body .notes-shell{background:#fff;border:1px solid var(--border-subtle);border-radius:16px;box-shadow:0 2px 8px rgba(0,0,0,.06)}html:not([data-theme=dark]) body.notes-page-body .notes-shell::-webkit-scrollbar-thumb{background:rgba(0,0,0,.15)}html:not([data-theme=dark]) body.notes-page-body .notes-shell::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.25)}body.notes-page-body .notes-shell:before{content:none}body.notes-page-body .notes-shell>:not(.notes-editor-toolbar){position:relative;z-index:1}body.notes-page-body .breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--text-muted);margin-bottom:.35rem}body.notes-page-body .breadcrumb a{color:var(--text-muted);text-decoration:none;transition:color .15s ease}body.notes-page-body .breadcrumb a:hover{color:var(--text-primary);text-decoration:underline;text-underline-offset:2px}body.notes-page-body .breadcrumb-separator{color:var(--text-muted);opacity:.5;font-size:.9em}body.notes-page-body .breadcrumb-current{color:var(--text-secondary);font-weight:500}body.notes-page-body .notes-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:200;background:transparent}body.notes-page-body .notes-progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--success));box-shadow:0 0 12px var(--notes-gradient-end);transition:width .1s linear}body.notes-page-body .notes-actions{position:relative;z-index:50;background:transparent;border:none;border-radius:0;padding:0 0 .1rem;margin:0 auto .15rem;max-width:920px;width:100%;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}html[data-theme=dark] body.notes-page-body .notes-actions{background:transparent;border-color:transparent;box-shadow:none}body.notes-page-body .notes-actions-inner{display:flex;justify-content:space-between;align-items:center;gap:.75rem;flex-wrap:wrap}body.notes-page-body .notes-actions-title{font-size:1.5rem;margin:0 0 .1rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}body.notes-page-body .notes-actions-subtitle{margin:0;color:var(--text-muted);font-size:11px;font-weight:400;opacity:.4}body.notes-page-body .notes-actions .btn{padding:.5rem 1rem;font-size:.8rem}body.notes-page-body .notes-actions .\!btn{padding:.5rem 1rem!important;font-size:.8rem!important}body.notes-page-body .notes-container{display:block;max-width:920px;margin:0 auto;width:100%;padding-top:.9rem}body.notes-page-body .notes-content>:first-child{margin-top:0}body.notes-page-body .notes-toc-dropdown{position:relative}body.notes-page-body .notes-toc-toggle{display:inline-flex;align-items:center;gap:.5rem}body.notes-page-body .notes-toc-label{font-size:.8rem;font-weight:500;color:var(--text-secondary)}body.notes-page-body .notes-toc-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:240px;max-width:320px;background:var(--notes-toc-menu-bg);border:1px solid var(--notes-toc-menu-border);border-radius:12px;padding:.6rem;box-shadow:var(--notes-toc-menu-shadow);z-index:160}body.notes-page-body .notes-toc-menu-title{font-size:12px;text-transform:uppercase;letter-spacing:.18em;color:var(--text-muted);margin:0 0 .5rem;font-weight:600}body.notes-page-body .notes-toc-menu ul{list-style:none;margin:0;padding:0;display:grid;gap:.35rem;max-height:320px;overflow:auto}body.notes-page-body .notes-toc-menu a{color:var(--text-secondary);text-decoration:none;font-size:.85rem;display:flex;align-items:center;gap:.5rem;padding:.4rem .5rem;border-radius:8px;border:1px solid transparent;transition:all .2s ease}body.notes-page-body .notes-toc-menu a:hover{color:var(--text-primary);background:hsla(0,0%,100%,.06)}body.notes-page-body .notes-toc-menu a.active{color:var(--text-primary);background:rgba(129,140,248,.15);border-color:rgba(129,140,248,.3)}html:not([data-theme=dark]) body.notes-page-body .notes-toc-menu a:hover{background:rgba(0,0,0,.04)}html:not([data-theme=dark]) body.notes-page-body .notes-toc-menu a.active{background:rgba(99,102,241,.08);border-color:rgba(99,102,241,.2)}body.notes-page-body .notes-toc-icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;color:var(--notes-accent);font-size:.9rem;flex-shrink:0}body.notes-page-body .notes-toc-text{flex:1}body.notes-page-body .notes-content{max-width:920px;width:100%;margin:0 auto;font-size:16px;line-height:1.7;color:var(--text-secondary)}body.notes-page-body .notes-content:focus{outline:none}body.notes-page-body .notes-content h1{font-size:2rem;margin-bottom:1.5rem;letter-spacing:-.03em;color:var(--text-primary);border-bottom:none}body.notes-page-body .notes-intro{background:transparent;border:none;border-radius:0;padding:0;margin-bottom:3rem;box-shadow:none}html[data-theme=dark] body.notes-page-body .notes-intro{background:transparent;border-color:transparent;box-shadow:none}body.notes-page-body .notes-section{background:transparent;border:none;border-radius:0;padding:0;margin:0;box-shadow:none;position:relative}html[data-theme=dark] body.notes-page-body .notes-section{background:transparent;border-color:transparent;box-shadow:none}body.notes-page-body .notes-section+.notes-section{border-top:1px solid var(--notes-section-border);margin-top:3rem;padding-top:3rem}body.notes-page-body .notes-section:before{display:none}body.notes-page-body .notes-section-header{display:flex;align-items:center;justify-content:flex-start;gap:.75rem;margin-bottom:0}body.notes-page-body .notes-content .notes-section-heading{display:flex;align-items:center;gap:.75rem;font-size:28px;font-weight:400;color:var(--text-primary);letter-spacing:-.02em;margin:2rem 0 .75rem;scroll-margin-top:140px;line-height:1.3}body.notes-page-body .notes-section-icon{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;color:var(--notes-accent);font-size:1.25rem;flex-shrink:0}body.notes-page-body .notes-section-content{overflow:visible}body.notes-page-body .notes-content h3{font-size:23px;margin-top:2rem;margin-bottom:.75rem;font-weight:400;color:var(--text-primary);line-height:1.35}body.notes-page-body .notes-content p{margin-bottom:1rem;line-height:1.8}body.notes-page-body .notes-content ol,body.notes-page-body .notes-content ul{margin-bottom:1rem;padding-left:1.5rem}body.notes-page-body .notes-content li{margin-bottom:.5rem}body.notes-page-body .notes-content code{background:var(--bg-secondary);padding:.2rem .45rem;border-radius:6px;font-family:var(--font-mono);font-size:.85em;color:var(--primary)}html[data-theme=dark] body.notes-page-body .notes-content code{background:hsla(0,0%,100%,.08)}html[data-theme=dark] body.notes-page-body .notes-content,html[data-theme=dark] body.notes-page-body .notes-content li,html[data-theme=dark] body.notes-page-body .notes-content p,html[data-theme=dark] body.notes-page-body .notes-content td{color:#f8fafc}body.notes-page-body .notes-content li>strong:first-child,body.notes-page-body .notes-content p>strong:first-child{color:var(--notes-orange-accent)}body.notes-page-body .code-block{background:var(--notes-code-block-bg);border:1px solid var(--notes-code-block-border);border-radius:14px;overflow:hidden;margin:1.5rem 0;box-shadow:var(--notes-code-block-shadow)}body.notes-page-body .code-header{display:flex;align-items:center;justify-content:space-between;padding:.6rem .9rem;background:var(--notes-code-header-bg);border-bottom:1px solid var(--notes-code-header-border);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:hsla(0,0%,100%,.7)}body.notes-page-body .code-lang{font-weight:600}body.notes-page-body .code-copy{border:none;background:hsla(0,0%,100%,.08);color:hsla(0,0%,100%,.8);border-radius:999px;padding:.2rem .6rem;font-size:12px;display:inline-flex;align-items:center;gap:.35rem;cursor:pointer}body.notes-page-body .code-copy svg{width:12px;height:12px}html:not([data-theme=dark]) body.notes-page-body .code-header{color:var(--text-secondary)}html:not([data-theme=dark]) body.notes-page-body .code-copy{background:rgba(0,0,0,.06);color:var(--text-secondary)}body.notes-page-body .notes-content pre{margin:0;background:transparent;border:none;padding:1.25rem;overflow-x:auto}body.notes-page-body .notes-content pre code{background:none;padding:0;color:inherit}body.notes-page-body .notes-content blockquote{border-left:3px solid var(--primary);padding:1rem 1.25rem;margin:1.5rem 0;background:var(--notes-blockquote-bg);border-radius:10px;color:var(--text-secondary)}body.notes-page-body .notes-content hr{border:none;border-top:1px solid hsla(0,0%,100%,.15);margin:2rem 0}[data-theme=dark] body.notes-page-body .notes-content hr,body.notes-page-body .notes-content hr{border-top-color:hsla(0,0%,100%,.15)}:not([data-theme=dark]) body.notes-page-body .notes-content hr{border-top-color:rgba(0,0,0,.12)}body.notes-page-body .notes-content a{color:var(--text-primary);text-decoration:underline;text-decoration-color:var(--border-color);transition:color .15s,text-decoration-color .15s}body.notes-page-body .notes-content a:hover{color:var(--notes-orange-accent);text-decoration-color:var(--notes-orange-accent)}body.notes-page-body .notes-content table{width:100%;border-collapse:separate;border-spacing:0;margin:1.5rem 0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;overflow:hidden}body.notes-page-body .notes-content td,body.notes-page-body .notes-content th{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--border-color)}body.notes-page-body .notes-content th{background:var(--bg-secondary);font-weight:600;color:var(--text-primary)}body.notes-page-body .notes-content tbody tr:nth-child(2n){background:var(--bg-accent)}body.notes-page-body .notes-content tbody tr:hover{background:var(--primary-light)}body.notes-page-body .notes-table-delete{position:absolute;top:0;left:0;height:26px;border-radius:999px;border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-primary);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);cursor:pointer;padding:0 8px;gap:.25rem;font-size:.7rem;white-space:nowrap;z-index:180}body.notes-page-body .notes-table-delete[hidden]{display:none!important}body.notes-page-body .notes-table-delete:hover{background:var(--error);border-color:var(--error);color:#fff}body.notes-page-body .notes-table-delete:focus-visible{outline:2px solid var(--primary);outline-offset:2px}body.notes-page-body .notes-table-delete svg{width:14px;height:14px}html[data-theme=dark] body.notes-page-body .notes-table-delete{background:var(--notes-toc-menu-bg);border-color:hsla(0,0%,100%,.1);box-shadow:0 12px 30px rgba(0,0,0,.35)}html[data-theme=dark] body.notes-page-body .notes-content table{background:var(--notes-table-dark-bg);border-color:var(--notes-table-dark-border)}html[data-theme=dark] body.notes-page-body .notes-content td,html[data-theme=dark] body.notes-page-body .notes-content th{border-right-color:var(--notes-table-dark-border);border-bottom-color:var(--notes-table-dark-border)}html[data-theme=dark] body.notes-page-body .notes-content th{background:var(--notes-table-header-bg);color:#f5f5f5;font-weight:600}html[data-theme=dark] body.notes-page-body .notes-content tbody tr:nth-child(2n){background:hsla(0,0%,100%,.03)}html[data-theme=dark] body.notes-page-body .notes-content tbody tr:hover{background:rgba(249,115,22,.12)}body.notes-page-body .notes-content img{max-width:100%;border-radius:12px;border:1px solid hsla(0,0%,100%,.08);box-shadow:0 12px 24px rgba(0,0,0,.25);margin:1.5rem 0}html:not([data-theme=dark]) body.notes-page-body .notes-content img{border:1px solid rgba(0,0,0,.08);box-shadow:0 12px 24px rgba(0,0,0,.08)}body.notes-page-body .notes-content figure.notes-image{margin:1.5rem 0;text-align:center}body.notes-page-body .notes-content figure.notes-image img{margin:0 auto;display:block}body.notes-page-body .notes-content figure.notes-image figcaption{font-size:.85rem;color:var(--text-muted);margin-top:.5rem;font-style:italic}body.notes-page-body .notes-footer-actions{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid hsla(0,0%,100%,.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}html:not([data-theme=dark]) body.notes-page-body .notes-footer-actions{border-top:1px solid var(--border-color)}body.notes-page-body .notes-back-top{position:fixed;right:2rem;bottom:2rem;width:44px;height:44px;border-radius:999px;border:1px solid var(--notes-back-top-border);background:var(--notes-back-top-bg);color:var(--text-primary);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--notes-back-top-shadow);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:120}html:not([data-theme=dark]) body.notes-page-body .notes-back-top{background:var(--bg-card);border-color:var(--border-color);box-shadow:var(--shadow-md)}body.notes-page-body .notes-back-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}body.notes-page-body .notes-back-top svg{width:18px;height:18px}body.notes-page-body .chat-quick-actions{display:flex;flex-wrap:wrap;gap:.5rem;padding:.75rem 1rem;border-bottom:1px solid hsla(0,0%,100%,.08)}body.notes-page-body .chat-action-btn{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .75rem;border-radius:999px;background:hsla(0,0%,100%,.06);border:1px solid hsla(0,0%,100%,.1);color:var(--text-secondary);font-size:.8rem;cursor:pointer;transition:all .15s ease}body.notes-page-body .chat-action-btn:hover{background:rgba(249,115,22,.15);border-color:rgba(249,115,22,.3);color:var(--text-primary)}html:not([data-theme=dark]) body.notes-page-body .chat-quick-actions{border-bottom:1px solid rgba(0,0,0,.08)}html:not([data-theme=dark]) body.notes-page-body .chat-action-btn{background:rgba(0,0,0,.03);border-color:rgba(0,0,0,.08)}html:not([data-theme=dark]) body.notes-page-body .chat-action-btn:hover{background:rgba(249,115,22,.12);border-color:rgba(249,115,22,.25)}@media (max-width:1024px){body.notes-page-body .notes-toc-label{display:none}}@media (max-width:768px){body.notes-page-body .notes-page-layout{height:auto;overflow:visible;padding:0}body.notes-page-body .notes-shell{height:calc(100vh - var(--app-nav-height, 53px));overflow-y:auto;overflow-x:hidden;padding:0 1.25rem 2.5rem;border-radius:0;border:none}body.notes-page-body .notes-back-top{right:calc(1.75rem + 50px);bottom:calc(56px + 1rem + env(safe-area-inset-bottom, 0px))}body.notes-page-body .chat-quick-actions{gap:.45rem;padding:.65rem .75rem}}.exam-countdown-card.exam-normal{border-left:4px solid var(--success)}.exam-countdown-card.exam-normal .exam-days-number{color:var(--success)}.exam-countdown-card.exam-warning{border-left:4px solid var(--warning);background:linear-gradient(135deg,var(--warning-bg) 0,var(--bg-card) 100%)}.exam-countdown-card.exam-warning .exam-days-number{color:var(--warning)}.exam-countdown-card.exam-urgent{border-left:4px solid #f97316;background:linear-gradient(135deg,rgba(249,115,22,.1) 0,var(--bg-card) 100%)}.exam-countdown-card.exam-urgent .exam-days-number{color:#f97316}.exam-countdown-card.exam-critical{border-left:4px solid var(--error);background:linear-gradient(135deg,var(--error-bg) 0,var(--bg-card) 100%)}.exam-countdown-card.exam-critical .exam-days-number{color:var(--error)}.exam-countdown-card.exam-past{border-left:4px solid var(--text-muted);opacity:.7}.exam-countdown-card.exam-past .exam-days-label{color:var(--text-muted)}.visible{visibility:visible}.collapse{visibility:collapse}.static{position:static}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.mb-0{margin-bottom:0}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.ml-4{margin-left:1rem}.block{display:block}.inline{display:inline}.flex{display:flex}.inline-flex{display:inline-flex}.\!table{display:table!important}.table{display:table}.\!grid{display:grid!important}.grid{display:grid}.contents{display:contents}.hidden{display:none}.h-1{height:.25rem}.h-1\.5{height:.375rem}.w-1{width:.25rem}.w-36{width:9rem}.w-60{width:15rem}.w-full{width:100%}.flex-shrink{flex-shrink:1}.border-collapse{border-collapse:collapse}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.resize{resize:both}.flex-wrap{flex-wrap:wrap}.gap-4{gap:1rem}.text-wrap{text-wrap:wrap}.rounded{border-radius:8px}.rounded-sm{border-radius:.125rem}.border{border-width:1px}.bg-border-subtle{background-color:var(--border-subtle)}.font-sans{font-family:Inter,ui-sans-serif,system-ui,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}.font-serif{font-family:ui-serif,Georgia,Cambria,Times New Roman,Times,serif}.font-medium{font-weight:500}.font-semibold{font-weight:600}.uppercase{text-transform:uppercase}.capitalize{text-transform:capitalize}.italic{font-style:italic}.leading-snug{line-height:1.375}.underline{text-decoration-line:underline}.overline{text-decoration-line:overline}.no-underline{text-decoration-line:none}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.shadow{--tw-shadow:var(--shadow);--tw-shadow-colored:var(--shadow);box-shadow:var(--tw-ring-offset-shadow,0 0 #0000),var(--tw-ring-shadow,0 0 #0000),var(--tw-shadow)}.blur{--tw-blur:blur(8px)}.blur,.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);backdrop-filter:var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,-webkit-backdrop-filter;transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter,-webkit-backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.ease-in-out{transition-timing-function:cubic-bezier(.4,0,.2,1)}.ease-out{transition-timing-function:cubic-bezier(0,0,.2,1)}@media (max-width:1024px){.notes-container{display:block}.notes-toc{position:static;margin-bottom:1.5rem}.summary-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:768px){.navbar{padding-top:.75rem;padding-bottom:.75rem;padding-left:1.25rem;padding-right:1.25rem}.nav-container{gap:1rem}.nav-links{display:none}.main-content{padding:1.5rem 1rem}.page-header{margin-bottom:1.5rem}.page-title{font-size:1.5rem;line-height:2rem}.week-card{flex-direction:column;align-items:flex-start;gap:1rem;padding:1rem}.week-number{min-width:0;font-size:1.5rem;line-height:2rem}.week-actions{margin-left:0;width:100%;justify-content:flex-start}.quiz-progress{flex-wrap:wrap;gap:.5rem;position:sticky;top:56px;z-index:20}.progress-bar{order:9999;margin-left:0;margin-right:0;margin-top:.5rem;width:100%}.quiz-actions{grid-template-columns:1fr}.summary-cards{grid-template-columns:repeat(1,minmax(0,1fr))}.auth-card{padding:1.5rem}.landing-hero h1{font-size:1.875rem;line-height:2.25rem}.landing-hero p{font-size:1rem;line-height:1.5rem}.btn-delete,.btn-edit{opacity:1}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}html{overflow-y:scroll}:root{--app-nav-height:53px;--bg-primary:#f5f7fa;--bg-secondary:#eef1f5;--bg-accent:#e8ecf1;--bg-card:#fff;--bg-card-hover:#fafbfc;--progress-body-bg:#f5f5f5;--share-subject-page-bg:#050505;--share-subject-card-gradient-warm:hsla(0,91%,71%,.25);--share-subject-card-gradient-cool:rgba(59,130,246,.2);--share-subject-card-gradient-base:#0b0b0f;--share-subject-card-gradient-mid:#111827;--share-subject-card-text:#f5f5f5;--share-subject-border:rgba(148,163,184,.2);--share-subject-subtitle:rgba(226,232,240,.65);--share-subject-hero-label:rgba(226,232,240,.7);--share-subject-rank-bg:rgba(15,23,42,.6);--share-subject-rank-color:var(--share-subject-card-text);--share-subject-stat-bg:rgba(15,23,42,.7);--share-subject-qr-bg:#fff;--share-semester-page-bg:#050505;--share-semester-card-gradient-warm:rgba(96,165,250,.25);--share-semester-card-gradient-cool:rgba(34,197,94,.2);--share-semester-card-gradient-base:#0b0b0f;--share-semester-card-gradient-mid:#0f1117;--share-semester-card-text:#f5f5f5;--share-semester-border:rgba(148,163,184,.2);--share-semester-header-title:rgba(226,232,240,.7);--share-semester-hero-label:rgba(226,232,240,.7);--share-semester-stat-label:rgba(226,232,240,.65);--share-semester-rank-bg:rgba(15,23,42,.6);--share-semester-rank-color:var(--share-semester-card-text);--share-semester-stat-bg:rgba(15,23,42,.7);--share-semester-breakdown-bar-bg:rgba(148,163,184,.2);--share-semester-breakdown-fill-start:#60a5fa;--share-semester-breakdown-fill-end:#34d399;--share-semester-qr-bg:#fff;--text-primary:#1a202c;--text-secondary:#4a5568;--text-muted:#718096;--text-dark:#a0aec0;--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:rgba(59,130,246,.1);--success:#10b981;--success-bg:rgba(16,185,129,.1);--success-hover:#059669;--error:#ef4444;--error-bg:rgba(239,68,68,.1);--warning:#f59e0b;--warning-bg:rgba(245,158,11,.1);--info:#3b82f6;--info-bg:rgba(59,130,246,.1);--success-color:var(--success);--danger-color:var(--error);--surface-color:var(--bg-card);--review-success-bg:rgba(34,197,94,.1);--review-error-bg:rgba(239,68,68,.1);--review-success-bg-soft:rgba(34,197,94,.03);--review-error-bg-soft:rgba(239,68,68,.03);--review-badge-text:#fff;--flashcards-swipe-left-bg:rgba(239,68,68,.15);--flashcards-swipe-left-text:#ef4444;--flashcards-swipe-left-border:rgba(239,68,68,.4);--flashcards-swipe-left-shadow:rgba(239,68,68,.2);--flashcards-swipe-right-bg:rgba(34,197,94,.15);--flashcards-swipe-right-text:#22c55e;--flashcards-swipe-right-border:rgba(34,197,94,.4);--flashcards-swipe-right-shadow:rgba(34,197,94,.2);--coderunner-pass-bg:rgba(0,255,0,.1);--coderunner-pass-border:#0f0;--coderunner-fail-bg:rgba(255,0,0,.1);--coderunner-fail-border:#f44;--notes-page-bg-dark:#111;--notes-page-bg-light:#f5f5f5;--notes-navbar-bg:hsla(0,0%,100%,.95);--notes-navbar-border:rgba(0,0,0,.08);--notes-navbar-shadow:0 8px 24px rgba(0,0,0,.08);--notes-footer-bg:#f9fafb;--notes-accent:#0d9488;--notes-gradient-start:rgba(45,212,191,.08);--notes-gradient-end:rgba(45,212,191,.3);--notes-toc-menu-bg:#fff;--notes-toc-menu-border:rgba(0,0,0,.08);--notes-toc-menu-shadow:0 18px 40px rgba(0,0,0,.12);--notes-section-border:rgba(0,0,0,.08);--notes-code-block-bg:#f8fafc;--notes-code-block-border:rgba(0,0,0,.08);--notes-code-block-shadow:0 4px 12px rgba(0,0,0,.06);--notes-code-header-bg:#f1f5f9;--notes-code-header-border:rgba(0,0,0,.06);--notes-orange-accent:#ea580c;--notes-blockquote-bg:rgba(249,115,22,.06);--notes-table-dark-bg:#fbfbfd;--notes-table-dark-border:#d9dce7;--notes-table-header-bg:rgba(146,90,54,.12);--notes-back-top-bg:#fff;--notes-back-top-border:rgba(0,0,0,.1);--notes-back-top-shadow:0 12px 30px rgba(0,0,0,.1);--notes-chat-card-bg:rgba(0,0,0,.02);--notes-chat-card-border:rgba(0,0,0,.06);--notes-chat-card-hover-bg:rgba(139,92,246,.08);--notes-chat-card-hover-border:rgba(139,92,246,.25);--week-edit-icon-color:var(--text-muted);--week-edit-icon-hover:var(--text-primary);--week-studii-did-bg-start:rgba(34,197,94,.08);--week-studii-did-bg-end:rgba(34,197,94,.03);--week-studii-did-border:rgba(34,197,94,.2);--week-studii-did-title:#16a34a;--week-processing-bg-start:rgba(59,130,246,.08);--week-processing-bg-end:rgba(147,51,234,.05);--week-processing-border:rgba(59,130,246,.2);--week-processing-icon:#3b82f6;--week-processing-title:#3b82f6;--week-processing-progress-bg:rgba(59,130,246,.15);--week-processing-progress-start:#3b82f6;--week-processing-progress-end:#2563eb;--week-processing-tips-border:rgba(59,130,246,.15);--week-spinner-border:rgba(251,191,36,.3);--week-spinner-top:#f59e0b;--week-ai-bg-start:rgba(15,23,42,.92);--week-ai-bg-end:rgba(30,41,59,.85);--week-ai-border:rgba(148,163,184,.2);--week-ai-text:#e2e8f0;--week-ai-shadow:rgba(15,23,42,.25);--week-ai-title:#f8fafc;--week-ai-icon-bg:rgba(59,130,246,.2);--week-ai-subtitle:rgba(226,232,240,.7);--week-topic-weak-bg:rgba(251,146,60,.18);--week-topic-weak-border:rgba(251,146,60,.4);--week-topic-weak-color:#fb923c;--week-topic-weak-shadow:rgba(251,146,60,.25);--week-insights-good-bg:rgba(34,197,94,.15);--week-insights-good-border:rgba(34,197,94,.35);--week-insights-good-color:#22c55e;--auth-alert-info-bg:#eef2ff;--auth-alert-info-text:#4338ca;--auth-alert-info-border:#c7d2fe;--auth-alert-warning-bg:#fef3c7;--auth-alert-warning-text:#92400e;--auth-alert-warning-border:#fcd34d;--admin-opus-start:#8b5cf6;--admin-opus-end:#6366f1;--admin-opus-hover-start:#7c3aed;--admin-opus-hover-end:#4f46e5;--admin-sonnet-bg:#e5e7eb;--admin-sonnet-text:#374151;--admin-sonnet-hover-bg:#d1d5db;--border-color:#e2e8f0;--border-subtle:#edf2f7;--border-hover:#cbd5e0;--radius:8px;--radius-lg:12px;--radius-xl:16px;--shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);--shadow-md:0 4px 6px rgba(0,0,0,.07),0 2px 4px rgba(0,0,0,.06);--shadow-lg:0 10px 15px rgba(0,0,0,.1),0 4px 6px rgba(0,0,0,.05);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"JetBrains Mono","Fira Code","SF Mono",monospace;--transition-fast:150ms ease;--transition-base:200ms ease}[data-theme=dark]{--notes-page-bg-dark:#111;--notes-page-bg-light:#f5f5f5;--notes-navbar-bg:#111;--notes-navbar-border:hsla(0,0%,100%,.06);--notes-navbar-shadow:none;--notes-footer-bg:#111;--notes-accent:#2dd4bf;--notes-gradient-start:rgba(45,212,191,.18);--notes-gradient-end:rgba(45,212,191,.6);--notes-toc-menu-bg:#111;--notes-toc-menu-border:hsla(0,0%,100%,.08);--notes-toc-menu-shadow:0 18px 40px rgba(0,0,0,.45);--notes-section-border:hsla(0,0%,100%,.1);--notes-code-block-bg:#0b1120;--notes-code-block-border:hsla(0,0%,100%,.1);--notes-code-block-shadow:0 18px 35px rgba(0,0,0,.45);--notes-code-header-bg:rgba(15,23,42,.9);--notes-code-header-border:hsla(0,0%,100%,.08);--notes-orange-accent:#f97316;--notes-blockquote-bg:rgba(249,115,22,.08);--notes-table-dark-bg:#1b1b21;--notes-table-dark-border:hsla(0,0%,100%,.12);--notes-table-header-bg:#5b341d;--notes-back-top-bg:#111;--notes-back-top-border:hsla(0,0%,100%,.15);--notes-back-top-shadow:0 12px 30px rgba(0,0,0,.35);--notes-chat-card-bg:hsla(0,0%,100%,.03);--notes-chat-card-border:hsla(0,0%,100%,.06);--notes-chat-card-hover-bg:rgba(139,92,246,.1);--notes-chat-card-hover-border:rgba(139,92,246,.3);--bg-primary:#0a0a0a;--bg-secondary:#111;--bg-accent:#111;--progress-body-bg:#0a0a0a;--share-subject-page-bg:#050505;--share-subject-card-gradient-warm:hsla(0,91%,71%,.25);--share-subject-card-gradient-cool:rgba(59,130,246,.2);--share-subject-card-gradient-base:#0b0b0f;--share-subject-card-gradient-mid:#111827;--share-subject-card-text:#f5f5f5;--share-subject-border:rgba(148,163,184,.2);--share-subject-subtitle:rgba(226,232,240,.65);--share-subject-hero-label:rgba(226,232,240,.7);--share-subject-rank-bg:rgba(15,23,42,.6);--share-subject-rank-color:var(--share-subject-card-text);--share-subject-stat-bg:rgba(15,23,42,.7);--share-subject-qr-bg:#fff;--share-semester-page-bg:#050505;--share-semester-card-gradient-warm:rgba(96,165,250,.25);--share-semester-card-gradient-cool:rgba(34,197,94,.2);--share-semester-card-gradient-base:#0b0b0f;--share-semester-card-gradient-mid:#0f1117;--share-semester-card-text:#f5f5f5;--share-semester-border:rgba(148,163,184,.2);--share-semester-header-title:rgba(226,232,240,.7);--share-semester-hero-label:rgba(226,232,240,.7);--share-semester-stat-label:rgba(226,232,240,.65);--share-semester-rank-bg:rgba(15,23,42,.6);--share-semester-rank-color:var(--share-semester-card-text);--share-semester-stat-bg:rgba(15,23,42,.7);--share-semester-breakdown-bar-bg:rgba(148,163,184,.2);--share-semester-breakdown-fill-start:#60a5fa;--share-semester-breakdown-fill-end:#34d399;--share-semester-qr-bg:#fff;--text-primary:#f5f5f5;--text-secondary:#a0a0a0;--text-muted:#707070;--text-dark:#505050;--primary:#60a5fa;--primary-hover:#3b82f6;--primary-light:rgba(96,165,250,.15);--success:#34d399;--success-bg:rgba(52,211,153,.15);--success-hover:#10b981;--error:#f87171;--error-bg:hsla(0,91%,71%,.15);--warning:#fbbf24;--warning-bg:rgba(251,191,36,.15);--info:#60a5fa;--info-bg:rgba(96,165,250,.15);--success-color:var(--success);--danger-color:var(--error);--surface-color:var(--bg-card);--review-success-bg:rgba(34,197,94,.1);--review-error-bg:rgba(239,68,68,.1);--review-success-bg-soft:rgba(34,197,94,.03);--review-error-bg-soft:rgba(239,68,68,.03);--review-badge-text:#fff;--flashcards-swipe-left-bg:rgba(239,68,68,.15);--flashcards-swipe-left-text:#ef4444;--flashcards-swipe-left-border:rgba(239,68,68,.4);--flashcards-swipe-left-shadow:rgba(239,68,68,.2);--flashcards-swipe-right-bg:rgba(34,197,94,.15);--flashcards-swipe-right-text:#22c55e;--flashcards-swipe-right-border:rgba(34,197,94,.4);--flashcards-swipe-right-shadow:rgba(34,197,94,.2);--coderunner-pass-bg:rgba(0,255,0,.1);--coderunner-pass-border:#0f0;--coderunner-fail-bg:rgba(255,0,0,.1);--coderunner-fail-border:#f44;--week-edit-icon-color:var(--text-muted);--week-edit-icon-hover:var(--text-primary);--week-studii-did-bg-start:rgba(34,197,94,.08);--week-studii-did-bg-end:rgba(34,197,94,.03);--week-studii-did-border:rgba(34,197,94,.2);--week-studii-did-title:#16a34a;--week-processing-bg-start:rgba(59,130,246,.08);--week-processing-bg-end:rgba(147,51,234,.05);--week-processing-border:rgba(59,130,246,.2);--week-processing-icon:#3b82f6;--week-processing-title:#3b82f6;--week-processing-progress-bg:rgba(59,130,246,.15);--week-processing-progress-start:#3b82f6;--week-processing-progress-end:#2563eb;--week-processing-tips-border:rgba(59,130,246,.15);--week-spinner-border:rgba(251,191,36,.3);--week-spinner-top:#f59e0b;--week-ai-bg-start:rgba(15,23,42,.92);--week-ai-bg-end:rgba(30,41,59,.85);--week-ai-border:rgba(148,163,184,.2);--week-ai-text:#e2e8f0;--week-ai-shadow:rgba(15,23,42,.25);--week-ai-title:#f8fafc;--week-ai-icon-bg:rgba(59,130,246,.2);--week-ai-subtitle:rgba(226,232,240,.7);--week-topic-weak-bg:rgba(251,146,60,.18);--week-topic-weak-border:rgba(251,146,60,.4);--week-topic-weak-color:#fb923c;--week-topic-weak-shadow:rgba(251,146,60,.25);--week-insights-good-bg:rgba(34,197,94,.15);--week-insights-good-border:rgba(34,197,94,.35);--week-insights-good-color:#22c55e;--auth-alert-info-bg:#eef2ff;--auth-alert-info-text:#4338ca;--auth-alert-info-border:#c7d2fe;--auth-alert-warning-bg:#fef3c7;--auth-alert-warning-text:#92400e;--auth-alert-warning-border:#fcd34d;--admin-opus-start:#8b5cf6;--admin-opus-end:#6366f1;--admin-opus-hover-start:#7c3aed;--admin-opus-hover-end:#4f46e5;--admin-sonnet-bg:#e5e7eb;--admin-sonnet-text:#374151;--admin-sonnet-hover-bg:#d1d5db;--border-color:#2a2a2a;--border-subtle:#1f1f1f;--border-hover:#3a3a3a;--shadow:0 1px 3px rgba(0,0,0,.3),0 1px 2px rgba(0,0,0,.2);--shadow-md:0 4px 6px rgba(0,0,0,.3),0 2px 4px rgba(0,0,0,.2);--shadow-lg:0 10px 15px rgba(0,0,0,.4),0 4px 6px rgba(0,0,0,.2)}@page{size:1200px 630px;margin:0}body.settings-page-body .settings-container{max-width:680px;margin:0 auto 3rem}body.settings-page-body .settings-section{margin-bottom:2rem}body.settings-page-body .section-title{font-size:20px;font-weight:700;margin-bottom:.75rem;color:var(--text-primary)}body.settings-page-body .section-title.danger-title{color:var(--danger,#ef4444)}body.settings-page-body .settings-card{background:var(--bg-primary,#fff);border:1px solid var(--border-subtle);border-radius:var(--radius-lg,12px);padding:1.5rem}body.settings-page-body .settings-card.danger-card{border-color:var(--danger,#ef4444);border-width:1px}body.settings-page-body .form-group{margin-bottom:1.25rem}body.settings-page-body .form-group label{display:block;font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:.35rem}body.settings-page-body .form-group input[type=email],body.settings-page-body .form-group input[type=text]{width:100%;padding:.6rem .75rem;border:1px solid var(--border-subtle);border-radius:8px;font-size:15px;background:var(--bg-primary);color:var(--text-primary);transition:border-color .15s}body.settings-page-body .form-group input:focus{outline:none;border-color:var(--primary,#3b82f6);box-shadow:0 0 0 3px rgba(59,130,246,.1)}body.settings-page-body .input-disabled{opacity:.6;cursor:not-allowed;background:var(--bg-secondary,#f1f5f9)!important}body.settings-page-body .form-hint{font-size:12px;color:var(--text-muted);margin-top:.25rem}body.settings-page-body .account-info .info-row{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--border-subtle)}body.settings-page-body .account-info .info-row:last-child{border-bottom:none}body.settings-page-body .info-label{font-size:.875rem;color:var(--text-muted)}body.settings-page-body .info-value{font-size:.875rem;font-weight:600;color:var(--text-primary)}body.settings-page-body .danger-item{display:flex;align-items:center;justify-content:space-between;gap:1.5rem}body.settings-page-body .danger-info h3{font-size:.95rem;font-weight:600;color:var(--text-primary);margin:0 0 .25rem}body.settings-page-body .danger-info p{font-size:.82rem;color:var(--text-muted);margin:0;line-height:1.5}body.settings-page-body .btn-error{background:var(--danger,#ef4444);color:#fff;border:none;padding:.5rem 1.25rem;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .15s}body.settings-page-body .btn-error:hover{background:#dc2626}body.settings-page-body .modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center}body.settings-page-body .modal-overlay.active{display:flex}body.settings-page-body .modal{background:var(--bg-primary,#fff);border-radius:var(--radius-lg,12px);padding:0;max-width:440px;width:90%;box-shadow:0 20px 60px rgba(0,0,0,.3)}body.settings-page-body .modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-subtle)}body.settings-page-body .modal-title{font-size:1.1rem;font-weight:700;margin:0;color:var(--text-primary)}body.settings-page-body .modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-muted);padding:0;line-height:1}body.settings-page-body .modal-body{padding:1.25rem 1.5rem}body.settings-page-body .modal-body p{font-size:.9rem;color:var(--text-secondary);margin:0 0 .5rem;line-height:1.5}body.settings-page-body .modal-actions{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--border-subtle)}@media (max-width:640px){body.settings-page-body .danger-item{flex-direction:column;align-items:flex-start}}@media (max-width:768px){.dashboard-sidebar{display:flex!important;transform:translateX(-100%);transition:transform .22s ease;z-index:45}body.dashboard-sidebar-open .dashboard-sidebar{transform:translateX(0)}.dashboard-mobile-backdrop{display:block}body.dashboard-panel-open .dashboard-mobile-backdrop,body.dashboard-sidebar-open .dashboard-mobile-backdrop{opacity:1;visibility:visible;pointer-events:auto}body.dashboard-layout .main-content{display:flex;flex-direction:column}.dashboard-right-panel{position:fixed;bottom:0;left:0;right:0;top:auto;width:100%!important;max-width:100%!important;height:60vh;transform:translateY(100%);transition:transform .25s ease;border-left:none;border-top:1px solid hsla(0,0%,100%,.06);border-radius:16px 16px 0 0;z-index:50;overflow-y:auto}body.dashboard-panel-open .dashboard-right-panel{transform:translateY(0)}.resource-menu-btn,tr .resource-menu-btn{opacity:1!important;visibility:visible!important;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px}.resource-quick-action{display:none!important}.doc-actions-dropdown,.resource-dropdown{position:fixed;bottom:0;left:0;right:0;top:auto;border-radius:16px 16px 0 0;max-height:50vh;z-index:1000;padding:1rem}}.doc-list{display:flex;flex-direction:column;gap:.4rem}.doc-row{position:relative;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1rem .85rem 1.1rem;cursor:pointer;background:var(--bg-primary,#fff);border:1px solid var(--border-subtle);border-radius:var(--radius-lg,12px);overflow:hidden;transition:box-shadow .18s,border-color .18s,transform .18s}.doc-row:hover{border-color:rgba(59,130,246,.25);box-shadow:0 2px 12px rgba(0,0,0,.06);transform:translateY(-1px)}.doc-row-accent{position:absolute;left:0;top:0;bottom:0;width:3.5px;border-radius:3px 0 0 3px}.doc-row-main{gap:.85rem;min-width:0;flex:1}.doc-row-icon,.doc-row-main{display:flex;align-items:center}.doc-row-icon{justify-content:center;width:38px;height:38px;border-radius:10px;flex-shrink:0}.doc-row-icon svg{width:18px;height:18px}.doc-row-text{min-width:0;flex:1}.doc-row-title{font-size:20px;font-weight:700;color:var(--text-primary);margin:0;line-height:1.35;word-break:break-word;letter-spacing:-.01em}.doc-row-meta{display:flex;align-items:center;gap:0;margin-top:.15rem;flex-wrap:wrap}.doc-row-source{font-size:14px;font-weight:400;color:#d6d6d6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:380px}:root .doc-row-source{color:var(--text-muted)}[data-theme=dark] .doc-row-source{color:#d6d6d6}.doc-row-dot{margin:0 .4rem}.doc-row-date,.doc-row-dot{font-size:14px;color:var(--text-muted)}.doc-row-date{font-weight:400;white-space:nowrap}.doc-row-right{display:flex;align-items:center;gap:.6rem;flex-shrink:0}.doc-row-actions{display:flex;gap:.15rem;opacity:0;transition:opacity .15s}.doc-row:hover .doc-row-actions{opacity:1}.doc-action-btn{padding:.3rem .45rem!important;font-size:.8rem!important;border-radius:6px!important}.doc-action-btn:hover{background:var(--bg-secondary,#f1f5f9)!important}.doc-action-danger{color:var(--text-error,#ef4444)!important}.doc-badge{font-size:12px;padding:.2rem .6rem;border-radius:9999px;font-weight:600;white-space:nowrap;letter-spacing:.01em}.doc-badge-processing{background:#fef3c7;color:#92400e;animation:pulse-badge 2s ease-in-out infinite}.doc-badge-failed{background:#fee2e2;color:#991b1b}@media (max-width:640px){.doc-row{padding:.7rem .65rem .7rem .75rem;gap:.6rem}.doc-row-icon{width:32px;height:32px;border-radius:8px}.doc-row-icon svg{width:15px;height:15px}.doc-row-source{max-width:180px}.doc-row-actions{opacity:1}.doc-row-title{font-size:16px}}@keyframes checkFadeIn{0%{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:translateX(0)}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes progressPulse{0%,to{opacity:1}50%{opacity:.7}}.notes-sticky-header{position:relative;top:auto;z-index:1;background:#0a0a0a;margin:-.5rem -1.5rem 0;padding:.5rem 1.5rem .25rem}html:not([data-theme=dark]) .notes-sticky-header{background:#fff}.notes-editor-toolbar{display:flex;align-items:center;gap:.75rem;padding:.6rem 2.6rem .6rem 1rem;background:var(--bg-card);background-color:#0a0a0a;border:1px solid var(--border-color);border-radius:12px;margin-bottom:1rem;max-width:960px;margin-left:auto;margin-right:auto;flex-wrap:nowrap;overflow-x:visible;-webkit-overflow-scrolling:touch;scrollbar-width:none;box-shadow:var(--shadow);position:sticky;top:0;z-index:40}.notes-editor-toolbar:before{content:"";position:absolute;inset:0;background:var(--notes-toolbar-bg,#0a0a0a);border-radius:inherit;z-index:0;pointer-events:none}.notes-editor-toolbar>*{position:relative;z-index:1}body.notes-page-body .notes-editor-toolbar{--notes-toolbar-bg:#0a0a0a;background-color:#0a0a0a;backdrop-filter:none;-webkit-backdrop-filter:none}html:not([data-theme=dark]) body.notes-page-body .notes-editor-toolbar{--notes-toolbar-bg:#fff;background-color:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}[data-theme=dark] .notes-editor-toolbar{background:#0a0a0a;border-color:hsla(0,0%,100%,.06)}.notes-toolbar-group{display:flex;align-items:center;gap:.25rem;flex-shrink:0}.notes-toolbar-right{margin-left:auto;padding-right:1.1rem;flex-shrink:0}.notes-toolbar-btn[data-action=reset-format],.notes-toolbar-collapse-btn{width:auto;min-width:32px;padding:0 .75rem;gap:.35rem}.notes-toolbar-collapse-label{font-size:.72rem;font-weight:600;letter-spacing:.01em}.notes-editor-toolbar.is-collapsed{padding:.45rem .6rem;width:-moz-fit-content;width:fit-content;max-width:none;margin-left:auto;margin-right:0;justify-content:flex-end;overflow:visible}.notes-editor-toolbar.is-collapsed .notes-toolbar-divider,.notes-editor-toolbar.is-collapsed .notes-toolbar-group{display:none}.notes-editor-toolbar.is-collapsed .notes-toolbar-group.notes-toolbar-right{display:flex;margin-left:auto}.notes-editor-toolbar.is-collapsed .notes-toolbar-group.notes-toolbar-right .notes-toolbar-btn:not(.notes-toolbar-collapse-btn){display:none}.notes-toolbar-collapse-btn svg{transition:transform .15s ease}.notes-editor-toolbar.is-collapsed .notes-toolbar-collapse-btn svg{transform:rotate(180deg)}.notes-toolbar-divider{width:1px;height:24px;background:var(--border-color);margin:0 .5rem;flex-shrink:0}.notes-toolbar-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:transparent;border-radius:6px;cursor:pointer;color:var(--text-secondary);transition:all .15s ease}.notes-toolbar-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.notes-toolbar-btn svg{width:16px;height:16px}.notes-toolbar-select{padding:.35rem .6rem;border:1px solid var(--border-color);border-radius:6px;background:var(--bg-card);color:var(--text-secondary);font-size:.75rem;cursor:pointer;flex-shrink:0}[data-theme=dark] .notes-toolbar-select{background:#252525;border-color:hsla(0,0%,100%,.1)}.notes-font-size{min-width:24px;text-align:center;font-size:.75rem;color:var(--text-muted);flex-shrink:0}.notes-color-btn{position:relative}.notes-color-letter{font-weight:600;font-size:.85rem}.notes-color-swatch{position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:14px;height:3px;border-radius:2px;background:#f5f5f5}.notes-color-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.notes-reset-label{font-size:.7rem;margin-left:.25rem;white-space:nowrap}.notes-selection-menu{position:fixed;z-index:200;display:flex;align-items:center;gap:.25rem;padding:.4rem .6rem;background:#111;border:1px solid hsla(0,0%,100%,.06);border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,.4)}.notes-selection-menu[hidden]{display:none}.notes-selection-select{padding:.3rem .5rem;border:1px solid hsla(0,0%,100%,.1);border-radius:6px;background:#252525;color:var(--text-secondary);font-size:.75rem;cursor:pointer}.notes-selection-btn{display:inline-flex;align-items:center;justify-content:center;padding:.3rem .6rem;border:none;background:transparent;border-radius:6px;cursor:pointer;color:var(--text-secondary);font-size:.8rem;transition:all .15s ease;white-space:nowrap}.notes-selection-btn:hover{background:hsla(0,0%,100%,.1);color:var(--text-primary)}.chat-toggle{position:fixed;right:1.5rem;bottom:1.5rem;width:56px;height:56px;border-radius:50%;border:none;background:linear-gradient(135deg,#ff8a3d,#ff6b35);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(255,107,53,.4);z-index:100;transition:all .2s ease}.chat-toggle:hover{transform:scale(1.05);box-shadow:0 12px 32px rgba(255,107,53,.5)}.chat-toggle.active{opacity:0;pointer-events:none}.chat-toggle svg{width:24px;height:24px}.chat-sidebar{width:0;overflow:hidden;background:#0a0a0a;border:1px solid hsla(0,0%,100%,.06);border-radius:16px;display:flex;flex-direction:column;transition:width .35s cubic-bezier(.4,0,.2,1),opacity .35s ease;height:calc(100vh - var(--app-nav-height, 53px) - 1.5rem);position:sticky;top:var(--app-nav-height,53px);flex-shrink:0}.chat-sidebar.is-open{width:350px;min-width:350px;overflow:visible;box-shadow:0 0 12px rgba(0,0,0,.3);margin-left:.75rem}.chat-sidebar.is-open.is-maximized{width:800px}html:not([data-theme=dark]) .chat-sidebar{background:#fff;border:1px solid var(--border-subtle)}html:not([data-theme=dark]) .chat-sidebar.is-open{box-shadow:0 2px 12px rgba(0,0,0,.08)}.chat-resize-handle{position:absolute;left:-.75rem;top:0;width:.75rem;height:100%;cursor:ew-resize;background:transparent;transition:background .15s;z-index:10}.chat-resize-handle.active,.chat-resize-handle:hover{background:hsla(0,0%,100%,.06);border-radius:4px}.chat-drag-handle{display:none}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:1px solid var(--border-color);flex-shrink:0}.chat-header-title{display:flex;align-items:center;gap:.6rem;font-weight:600;color:var(--text-primary)}.chat-header-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff8a3d,#ff6b35);border-radius:8px;color:#fff}.chat-header-icon svg{width:16px;height:16px}.chat-header-actions{display:flex;align-items:center;gap:.5rem}.chat-expand-btn,.chat-hide-btn{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .7rem;border:none;background:hsla(0,0%,100%,.06);border-radius:8px;color:var(--text-secondary);font-size:.8rem;cursor:pointer;transition:all .15s ease}.chat-expand-btn:hover,.chat-hide-btn:hover{background:hsla(0,0%,100%,.1);color:var(--text-primary)}.chat-expand-btn svg,.chat-hide-btn svg{width:14px;height:14px}.chat-messages{flex:1;overflow-y:auto;overflow-x:hidden;padding:1rem;word-wrap:break-word;overflow-wrap:break-word}.chat-welcome{text-align:center;padding:2rem 1rem}.chat-welcome.collapsed .chat-suggestions,.chat-welcome.collapsed .chat-welcome-header{display:none}.chat-suggestions{padding:0 .5rem}.chat-suggestions-label{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.75rem;padding-left:.25rem}.chat-suggestion-btn{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;background:hsla(0,0%,100%,.06);border:1px solid hsla(0,0%,100%,.1);border-radius:10px;color:var(--text-secondary);font-size:.85rem;cursor:pointer;transition:all .15s ease;margin-bottom:.5rem;text-align:left}.chat-suggestion-btn:hover{background:hsla(0,0%,100%,.1);border-color:hsla(0,0%,100%,.18);color:var(--text-primary)}.chat-suggestion-btn svg{width:16px;height:16px;flex-shrink:0;opacity:.6}html:not([data-theme=dark]) .chat-suggestion-btn{background:rgba(0,0,0,.03);border:1px solid rgba(0,0,0,.08)}html:not([data-theme=dark]) .chat-suggestion-btn:hover{background:rgba(0,0,0,.06);border-color:rgba(0,0,0,.12)}.chat-welcome-header{margin-bottom:2rem}.chat-welcome-logo{width:48px;height:48px;margin:0 auto 1rem;border-radius:12px;overflow:hidden}.chat-welcome-logo img{width:100%;height:100%;-o-object-fit:contain;object-fit:contain}.chat-logo-light{display:none}.chat-logo-dark{display:block}html:not([data-theme=dark]) .chat-logo-dark{display:none}html:not([data-theme=dark]) .chat-logo-light{display:block}.chat-welcome h2{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.chat-welcome p{color:var(--text-muted);font-size:.9rem}.chat-quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.chat-message{margin-bottom:1.25rem}.chat-message.user{display:flex;justify-content:flex-end}.chat-message.user .chat-bubble{background:linear-gradient(135deg,#ff8a3d,#ff6b35);color:#fff;max-width:85%;border-radius:16px 16px 4px 16px}.chat-message.ai .chat-bubble{background:transparent;color:var(--text-primary);max-width:100%;border-radius:0;padding:.85rem 0}.chat-message.ai .chat-bubble h1,.chat-message.ai .chat-bubble h2{font-size:1.1rem;font-weight:700;color:var(--notes-orange-accent);margin:1.25rem 0 .5rem}.chat-message.ai .chat-bubble h3{font-size:1rem;font-weight:600;color:var(--notes-accent);margin:1rem 0 .4rem}.chat-message.ai .chat-bubble p{margin-bottom:.75rem;line-height:1.65;color:var(--text-secondary)}.chat-message.ai .chat-bubble ol,.chat-message.ai .chat-bubble ul{padding-left:1.25rem;margin-bottom:.75rem}.chat-message.ai .chat-bubble li{margin-bottom:.35rem;color:var(--text-secondary);line-height:1.6}.chat-message.ai .chat-bubble strong{color:var(--text-primary);font-weight:600}.chat-message.ai .chat-bubble code{background:hsla(0,0%,100%,.08);padding:.15rem .4rem;border-radius:4px;font-size:.85em;font-family:var(--font-mono)}.chat-message.ai .chat-bubble pre{background:#0b1120;border:1px solid hsla(0,0%,100%,.1);border-radius:10px;padding:1rem;margin:.75rem 0;overflow-x:auto}.chat-message.ai .chat-bubble pre code{background:none;padding:0}.chat-message.ai .chat-bubble hr{border:none;border-top:1px solid hsla(0,0%,100%,.1);margin:1rem 0}.chat-message.ai .chat-bubble a{color:var(--primary);text-decoration:underline}html:not([data-theme=dark]) .chat-message.ai .chat-bubble code{background:rgba(0,0,0,.06)}html:not([data-theme=dark]) .chat-message.ai .chat-bubble pre{background:#f8fafc;border:1px solid rgba(0,0,0,.08)}html:not([data-theme=dark]) .chat-message.ai .chat-bubble hr{border-top:1px solid rgba(0,0,0,.1)}.chat-ai-response{line-height:1.6;color:var(--text-secondary)}.chat-ai-response p{margin:.5em 0}.chat-ai-response h1,.chat-ai-response h2,.chat-ai-response h3,.chat-ai-response h4{margin:1em 0 .5em;line-height:1.3;color:var(--text-primary)}.chat-ai-response h1{font-size:1.2em}.chat-ai-response h2{font-size:1.1em}.chat-ai-response h3,.chat-ai-response h4{font-size:1em}.chat-ai-response ol,.chat-ai-response ul{margin:.5em 0;padding-left:1.3em}.chat-ai-response li{margin:.25em 0}.chat-ai-response pre{margin:.75em 0;padding:.85em 1em;border-radius:10px;background:#0b1120;border:1px solid hsla(0,0%,100%,.1);overflow-x:auto}.chat-ai-response pre code{background:transparent;padding:0}.chat-ai-response code{font-family:var(--font-mono);background:hsla(0,0%,100%,.08);border-radius:4px;padding:.1em .35em;font-size:.9em}.chat-ai-response hr{border:0;border-top:1px solid hsla(0,0%,100%,.15);margin:1em 0}.chat-ai-response table{width:100%;border-collapse:collapse;margin:.75em 0;font-size:.92em}.chat-ai-response td,.chat-ai-response th{border:1px solid hsla(0,0%,100%,.1);padding:8px 12px;text-align:left;vertical-align:top}.chat-ai-response th{color:var(--text-primary);background:hsla(0,0%,100%,.04)}.chat-ai-response tbody tr:nth-child(2n){background:hsla(0,0%,100%,.02)}html:not([data-theme=dark]) .chat-ai-response code{background:rgba(0,0,0,.06)}html:not([data-theme=dark]) .chat-ai-response pre{background:#f8fafc;border:1px solid rgba(0,0,0,.08)}html:not([data-theme=dark]) .chat-ai-response hr{border-top:1px solid rgba(0,0,0,.15)}html:not([data-theme=dark]) .chat-ai-response td,html:not([data-theme=dark]) .chat-ai-response th{border-color:rgba(0,0,0,.1)}html:not([data-theme=dark]) .chat-ai-response th{background:rgba(0,0,0,.04)}html:not([data-theme=dark]) .chat-ai-response tbody tr:nth-child(2n){background:rgba(0,0,0,.015)}.chat-bubble{padding:.85rem 1rem;font-size:.9rem;line-height:1.5}.chat-badge{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:.75rem;color:var(--text-muted)}.chat-badge img{width:18px;height:18px}.chat-typing{margin-bottom:1.25rem}.chat-typing-dots{display:flex;gap:4px;padding:.85rem 1rem;background:var(--bg-secondary);border-radius:16px;width:-moz-fit-content;width:fit-content}.chat-typing-dots span{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typingDot 1.4s ease-in-out infinite}.chat-typing-dots span:nth-child(2){animation-delay:.2s}.chat-typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typingDot{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}.conversation-divider{text-align:center;margin:1.5rem 0;font-size:.7rem;color:var(--text-muted)}.conversation-divider span{background:var(--bg-card);padding:0 .75rem}.chat-input-container{padding:1rem 1.25rem 1.25rem;border-top:1px solid var(--border-color);flex-shrink:0}.chat-input-wrapper{display:flex;align-items:flex-end;gap:.5rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:.5rem}.chat-input-main{flex:1;display:flex;flex-direction:column;gap:.35rem}.chat-input-chips{display:flex;flex-wrap:wrap;gap:.35rem}.chat-chip{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .5rem;background:rgba(255,107,53,.16);border:1px solid rgba(255,107,53,.35);border-radius:6px;font-size:.75rem;color:#ffb089;cursor:pointer}.chat-chip-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-chip-remove{font-size:.85rem;opacity:.7}.chat-input{width:100%;border:none;background:transparent;color:var(--text-primary);font-size:.9rem;resize:none;outline:none;padding:.35rem .5rem;min-height:24px;max-height:120px;overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none}.chat-input::-webkit-scrollbar{display:none}.chat-input::-moz-placeholder{color:var(--text-muted)}.chat-input::placeholder{color:var(--text-muted)}.chat-attach-btn,.chat-send-btn,.chat-voice-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:transparent;border-radius:10px;cursor:pointer;color:var(--text-muted);transition:all .15s ease;flex-shrink:0}.chat-attach-btn:hover,.chat-voice-btn:hover{background:hsla(0,0%,100%,.08);color:var(--text-primary)}.chat-voice-btn.listening{background:rgba(239,68,68,.2);color:#ef4444}.chat-send-btn{background:linear-gradient(135deg,#ff8a3d,#ff6b35);color:#fff}.chat-send-btn:hover{opacity:.9}.chat-attach-btn svg,.chat-send-btn svg,.chat-voice-btn svg{width:18px;height:18px}.chat-backdrop{display:none}body.chat-open .notes-back-top{right:calc(350px + 2rem);transition:right .35s cubic-bezier(.4,0,.2,1),opacity .2s ease,transform .2s ease}body.chat-open .chat-toggle{right:calc(350px + 1.5rem);transition:right .35s cubic-bezier(.4,0,.2,1),all .2s ease}@media (max-width:768px){body.has-doc-rail .chat-backdrop,body.has-doc-rail .chat-sidebar,body.has-doc-rail .chat-toggle{display:none!important}.chat-toggle{right:1rem;bottom:4.5rem;width:50px;height:50px}.chat-sidebar{position:fixed!important;height:60vh;top:auto;bottom:0;right:0;left:0;border-left:none;border-top:1px solid var(--border-color);border-radius:20px 20px 0 0;transform:translateY(100%);z-index:10002;pointer-events:none;box-shadow:none;visibility:hidden}.chat-sidebar,.chat-sidebar.is-open{width:100%!important;overflow:visible}.chat-sidebar.is-open{transform:translateY(0);pointer-events:auto;margin-left:0;visibility:visible}.chat-sidebar.is-expanded{height:100vh;border-radius:0;visibility:visible}body.has-doc-rail .chat-sidebar{bottom:56px;height:calc(60vh - 56px);transform:translateY(calc(100% + 56px + env(safe-area-inset-bottom, 0px)))}body.has-doc-rail .chat-sidebar.is-expanded{height:calc(100vh - 56px)}body.has-doc-rail .chat-sidebar.is-expanded,body.has-doc-rail .chat-sidebar.is-open{transform:translateY(0)}body.has-doc-rail .chat-input-container{padding-bottom:calc(.8rem + env(safe-area-inset-bottom, 0px))}.chat-resize-handle{display:none}.chat-drag-handle{display:flex;align-items:center;justify-content:center;padding:.75rem;cursor:grab}.chat-drag-handle-bar{width:40px;height:4px;background:hsla(0,0%,100%,.2);border-radius:2px}.chat-backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:10001;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}.chat-backdrop.is-visible{opacity:1;visibility:visible}body.notes-page-body .notes-page-layout{display:block}body.chat-open .notes-back-top{right:1.25rem}body.chat-open .chat-toggle{right:1rem}.chat-quick-grid{grid-template-columns:1fr}}.doc-footer-hidden{display:none!important}html.doc-layout{scroll-behavior:auto}body.has-doc-rail,html.doc-layout{height:100%;overflow:hidden}body.has-doc-rail .main-content{flex-direction:row;padding:0;max-width:none;width:100%;overflow:hidden}.doc-rail,body.has-doc-rail .main-content{display:flex;height:calc(100vh - var(--app-nav-height, 53px))}.doc-rail{width:64px;min-width:64px;flex-shrink:0;position:sticky;top:var(--app-nav-height,53px);background:#111;border-right:1px solid hsla(0,0%,100%,.06);flex-direction:column;padding:.75rem 0;overflow-y:auto;overflow-x:visible;overscroll-behavior:contain;scrollbar-width:none;-ms-overflow-style:none;z-index:40;transition:width .2s ease}.doc-rail::-webkit-scrollbar{width:0;height:0}.doc-rail.force-expanded,.doc-rail:focus-within,.doc-rail:hover,html.doc-rail-preexpand .doc-rail{width:220px;min-width:220px}body.has-doc-rail .notes-page-layout{position:relative;z-index:1}html:not([data-theme=dark]) .doc-rail{background:#fff;border-right:1px solid var(--border-subtle)}.doc-rail-top{display:flex;flex-direction:column;gap:4px;padding:0 .35rem}.doc-rail-logo{display:flex;align-items:center;gap:.6rem;padding:.25rem .5rem;margin-bottom:.25rem;text-decoration:none}.doc-rail-logo-text{font-size:.95rem;font-weight:600;color:var(--text-primary);letter-spacing:.01em;line-height:1}.doc-rail-logo-img{width:36px;height:36px;border-radius:10px;-o-object-fit:cover;object-fit:cover}.doc-rail-divider{height:1px;background:hsla(0,0%,100%,.06);margin:.5rem}html:not([data-theme=dark]) .doc-rail-divider{background:var(--border-subtle)}.doc-rail-link{position:relative;display:flex;align-items:center;gap:0;padding:.58rem .5rem;border-radius:8px;color:#8c8c8c;text-decoration:none;transition:color .15s ease,background .15s ease;cursor:pointer;border:none;background:none;font-size:0;justify-content:center;min-height:42px;overflow:visible;width:100%;box-sizing:border-box}.doc-rail-link i,.doc-rail-link svg{margin:0 auto;position:relative;left:0;transform:none}.doc-rail.force-expanded .doc-rail-link,.doc-rail:focus-within .doc-rail-link,.doc-rail:hover .doc-rail-link,html.doc-rail-preexpand .doc-rail-link{justify-content:flex-start;gap:.72rem;padding:.58rem .72rem}.doc-rail.force-expanded .doc-rail-link i,.doc-rail.force-expanded .doc-rail-link svg,.doc-rail:focus-within .doc-rail-link i,.doc-rail:focus-within .doc-rail-link svg,.doc-rail:hover .doc-rail-link i,.doc-rail:hover .doc-rail-link svg,html.doc-rail-preexpand .doc-rail-link i,html.doc-rail-preexpand .doc-rail-link svg{margin:0}.doc-rail-link i,.doc-rail-link svg{width:20px;height:20px;flex-shrink:0;color:#a0a0a0;transition:color .15s ease}.doc-rail-label{font-size:14px;font-weight:500;white-space:nowrap;opacity:0;transition:opacity .15s ease;pointer-events:none;max-width:0;overflow:hidden}.doc-rail.force-expanded .doc-rail-label,.doc-rail:focus-within .doc-rail-label,.doc-rail:hover .doc-rail-label,html.doc-rail-preexpand .doc-rail-label{opacity:1;pointer-events:auto;max-width:160px}.folder-inline-title{display:flex;align-items:center;gap:.55rem;margin-bottom:.25rem}.folder-inline-icon{display:inline-flex;align-items:center;justify-content:center;color:var(--text-muted);min-width:20px}.doc-rail-link:hover{color:#fff;background:hsla(0,0%,100%,.04)}.doc-rail-link:hover i,.doc-rail-link:hover svg{color:#fff}html:not([data-theme=dark]) .doc-rail-link{color:#787878}html:not([data-theme=dark]) .doc-rail-link i,html:not([data-theme=dark]) .doc-rail-link svg{color:#8c8c8c}html:not([data-theme=dark]) .doc-rail-link:hover{color:#1e1e1e;background:rgba(0,0,0,.04)}html:not([data-theme=dark]) .doc-rail-link:hover i,html:not([data-theme=dark]) .doc-rail-link:hover svg{color:#1e1e1e}.doc-rail-link.active{color:#dcdcdc;background:hsla(0,0%,100%,.06)}.doc-rail-link.active i,.doc-rail-link.active svg{color:#fff}.doc-rail-link.active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:2px;height:18px;border-radius:0 2px 2px 0;background:var(--primary,#3b82f6)}html:not([data-theme=dark]) .doc-rail-link.active{color:#1e1e1e;background:rgba(0,0,0,.05)}html:not([data-theme=dark]) .doc-rail-link.active i,html:not([data-theme=dark]) .doc-rail-link.active svg{color:#1e1e1e}html:not([data-theme=dark]) .doc-rail-link.active:before{background:var(--primary,#3b82f6)}.doc-rail-link.disabled{opacity:.3;pointer-events:none}.doc-rail-badge{position:absolute;top:4px;right:4px;min-width:14px;height:14px;padding:0 3px;border-radius:7px;background:hsla(0,0%,100%,.08);color:#a0a0a0;font-size:9px;font-weight:500;line-height:14px;text-align:center;flex-shrink:0}.doc-rail.force-expanded .doc-rail-badge,.doc-rail:focus-within .doc-rail-badge,.doc-rail:hover .doc-rail-badge,html.doc-rail-preexpand .doc-rail-badge{position:static;margin-left:auto;min-width:18px;height:18px;padding:0 5px;border-radius:9px;font-size:11px;line-height:18px}.doc-rail-link[data-tooltip]:after{content:attr(data-tooltip);position:absolute;left:calc(100% + 8px);top:50%;transform:translateY(-50%);padding:.3rem .6rem;background:#1a1a1a;color:#d4d4d4;font-size:12px;font-weight:500;white-space:nowrap;border-radius:6px;border:1px solid hsla(0,0%,100%,.1);opacity:0;pointer-events:none;transition:opacity .15s ease;z-index:1000}html:not([data-theme=dark]) .doc-rail-link[data-tooltip]:after{background:#fff;color:#374151;border-color:rgba(0,0,0,.1);box-shadow:0 2px 8px rgba(0,0,0,.08)}.doc-rail-link[data-tooltip]:hover:after{opacity:1}.doc-rail.force-expanded .doc-rail-link[data-tooltip]:after,.doc-rail:focus-within .doc-rail-link[data-tooltip]:after,.doc-rail:hover .doc-rail-link[data-tooltip]:after,html.doc-rail-preexpand .doc-rail-link[data-tooltip]:after{display:none}.doc-rail .doc-rail-link.active{border-right:0!important}body.has-doc-rail .nav-link[href="/dashboard"]{display:none}html:not([data-theme=dark]) .doc-rail-badge{background:rgba(0,0,0,.06);color:#646464}.doc-main-area{flex:1;min-width:0;overflow-y:auto;overflow-x:hidden;height:calc(100vh - var(--app-nav-height, 53px));overscroll-behavior:contain;padding:2rem 2.5rem 3rem}.doc-main-area.quiz-main-area{padding-top:1.25rem}.podcast-page{max-width:800px;margin:0 auto;width:100%}.podcast-breadcrumbs{font-size:.8rem;color:var(--text-muted);margin-bottom:1.5rem}.podcast-breadcrumbs a{color:var(--text-muted);text-decoration:none}.podcast-breadcrumbs a:hover{color:var(--text-primary)}.podcast-breadcrumbs .bc-sep{margin:0 .35rem;opacity:.5}.podcast-breadcrumbs .bc-current{color:var(--text-primary)}.player-card{border:1px solid hsla(0,0%,100%,.06);border-radius:12px;padding:1.5rem;background:hsla(0,0%,100%,.02);margin-bottom:1rem}html:not([data-theme=dark]) .player-card{border-color:var(--border-subtle);background:var(--bg-secondary,#f9fafb)}.player-header{gap:1rem;margin-bottom:1.25rem}.player-art,.player-header{display:flex;align-items:center}.player-art{width:72px;height:72px;border-radius:14px;background:linear-gradient(135deg,#6366f1,#8b5cf6,#a855f7);justify-content:center;flex-shrink:0;box-shadow:0 4px 12px rgba(99,102,241,.25)}.player-meta{flex:1;min-width:0}.player-title{font-size:1.2rem;font-weight:600;margin:0;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.player-subtitle{margin:.3rem 0 0;font-size:.82rem;color:var(--text-muted)}.player-controls{display:flex;align-items:center;gap:.75rem}.download-btn,.player-controls .pill,.podcast-secondary-btn,.skip-back,.skip-forward,.volume-btn{min-width:44px;min-height:44px}.play-btn{width:44px;height:44px;border-radius:50%;border:none;background:var(--primary,#6366f1);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s}.play-btn:hover{background:#4f46e5;transform:scale(1.06)}.play-btn:active{transform:scale(.97)}.time-label{font-size:.78rem;color:var(--text-muted);font-variant-numeric:tabular-nums;min-width:36px;text-align:center;flex-shrink:0;-webkit-user-select:none;-moz-user-select:none;user-select:none}.progress-track{flex:1;height:6px;background:hsla(0,0%,100%,.08);border-radius:3px;position:relative;cursor:pointer;transition:height .15s}html:not([data-theme=dark]) .progress-track{background:rgba(0,0,0,.08)}.progress-track:hover{height:8px}.progress-track:hover .progress-handle{opacity:1;transform:translate(-50%,-50%) scale(1)}.progress-fill{height:100%;border-radius:3px;width:0;transition:none}.progress-fill,.progress-handle{background:var(--primary,#6366f1);pointer-events:none}.progress-handle{position:absolute;top:50%;left:0;width:14px;height:14px;border-radius:50%;border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.3);transform:translate(-50%,-50%) scale(.6);opacity:0;transition:opacity .15s,transform .15s}.volume-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:6px;transition:color .15s}.volume-btn:hover{color:var(--text-primary)}.player-pills{display:flex;align-items:center;justify-content:center;gap:.4rem;margin-top:1rem;flex-wrap:wrap}.pill{display:inline-flex;align-items:center;gap:.3rem;padding:.3rem .7rem;font-size:.78rem;font-weight:500;border-radius:20px;border:1px solid hsla(0,0%,100%,.08);background:transparent;color:var(--text-muted);cursor:pointer;transition:all .15s;-webkit-user-select:none;-moz-user-select:none;user-select:none}html:not([data-theme=dark]) .pill{border-color:var(--border-subtle)}.pill:hover{color:var(--text-primary);border-color:hsla(0,0%,100%,.15);background:hsla(0,0%,100%,.04)}html:not([data-theme=dark]) .pill:hover{border-color:var(--primary,#6366f1);background:rgba(99,102,241,.05)}.pill.active{color:#fff;background:var(--primary,#6366f1);border-color:var(--primary,#6366f1)}html:not([data-theme=dark]) .pill.active{color:#fff}.podcast-header-actions{display:inline-flex;align-items:center;gap:.55rem}.podcast-secondary-btn{display:inline-flex;align-items:center;gap:.35rem;text-decoration:none;color:var(--text-muted);font-size:.78rem;border:1px solid var(--border-color);background:var(--bg-surface);border-radius:999px;padding:.35rem .65rem}.podcast-secondary-btn:hover{color:var(--accent-primary);border-color:var(--accent-primary)}.script-section{border:1px solid var(--border-color);border-radius:1rem;padding:1.25rem;background:var(--bg-surface);box-shadow:0 10px 24px rgba(0,0,0,.14)}html:not([data-theme=dark]) .script-section{box-shadow:0 8px 20px rgba(15,23,42,.06)}.script-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.6rem;margin-bottom:1rem}.script-heading{font-size:1.1rem;font-weight:600;margin:0}.script-body{line-height:1.65;font-size:.95rem;color:var(--text-secondary,var(--text-muted));max-height:60vh;overflow-y:auto;overflow-x:hidden;transition:max-height .3s ease}.script-body.collapsed{max-height:0;padding:0;opacity:0;transition:max-height .3s ease,opacity .2s ease}.transcript-turn{border:1px solid var(--border-color);border-radius:.9rem;padding:.85rem .95rem;background:hsla(0,0%,100%,.01)}.transcript-turn+.transcript-turn{margin-top:.75rem}.transcript-speaker{display:flex;align-items:center;gap:.55rem;margin-bottom:.45rem}.transcript-avatar{width:1.35rem;height:1.35rem;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:700;color:#101010;background:#ff6b35}.transcript-speaker-name{font-weight:700;font-size:.83rem;color:var(--text-primary)}.transcript-paragraph,.transcript-turn-text{margin:0;color:var(--text-secondary)}.transcript-paragraph+.transcript-paragraph{margin-top:.9rem}.transcript-empty{margin:0;color:var(--text-muted);font-size:.88rem}.podcast-empty-state{text-align:center;padding:4rem 1rem}.podcast-retry-form{margin-top:1rem}.empty-icon{width:80px;height:80px;border-radius:20px;background:linear-gradient(135deg,#6366f1,#8b5cf6);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:#fff}.empty-icon.failed{background:linear-gradient(135deg,#ef4444,#dc2626)}.empty-icon.spinning svg{animation:spin 2s linear infinite}.empty-title{font-size:1.3rem;font-weight:600;margin-bottom:.5rem}.empty-sub{max-width:500px;margin:0 auto}.empty-hint,.empty-sub{color:var(--text-muted)}.empty-hint{font-size:.85rem;margin-top:1rem}.quiz-state-banner{max-width:640px;margin:0 auto 1.1rem;border:1px solid var(--border-color);border-radius:1rem;background:linear-gradient(180deg,rgba(99,102,241,.05),rgba(99,102,241,.02));box-shadow:0 12px 26px rgba(0,0,0,.1)}html:not([data-theme=dark]) .quiz-state-banner{box-shadow:0 10px 22px rgba(15,23,42,.08);background:linear-gradient(180deg,rgba(59,130,246,.05),rgba(59,130,246,.015))}.quiz-state-banner .empty-icon{width:72px;height:72px;border-radius:18px;margin-bottom:1rem}.quiz-state-banner .empty-title{font-weight:700;letter-spacing:-.01em}.quiz-state-banner .empty-sub{max-width:560px;line-height:1.5}.quiz-gen-shell{max-width:640px!important;margin:0 auto 1.5rem!important;padding:0!important;overflow:hidden;border-radius:1rem;border:1px solid var(--border-color);background:var(--bg-surface);box-shadow:0 14px 28px rgba(0,0,0,.08)}html:not([data-theme=dark]) .quiz-gen-shell{box-shadow:0 10px 24px rgba(15,23,42,.08)}.quiz-gen-shell-head{display:flex;align-items:center;gap:.9rem;padding:1.1rem 1.15rem .95rem;border-bottom:1px solid var(--border-subtle);background:radial-gradient(circle at top right,rgba(255,107,53,.12),transparent 48%),linear-gradient(180deg,hsla(0,0%,100%,.02),transparent)}html:not([data-theme=dark]) .quiz-gen-shell-head{background:radial-gradient(circle at top right,rgba(255,107,53,.1),transparent 52%),linear-gradient(180deg,hsla(0,0%,100%,.75),hsla(0,0%,100%,.2))}.quiz-gen-shell-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,#ff6b35,#ff8c42);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.18),0 8px 18px rgba(255,107,53,.28);flex-shrink:0}.quiz-gen-shell-icon svg{width:26px;height:26px}.quiz-gen-shell-copy h2{margin:0 0 .18rem;font-size:1.05rem;line-height:1.2;font-weight:700;letter-spacing:-.01em}.quiz-gen-shell-copy p{margin:0;color:var(--text-muted);font-size:.86rem;line-height:1.35}.quiz-gen-shell-body{padding:1rem 1.15rem 1.15rem}.quiz-gen-shell-note{margin:0 0 .95rem;padding:.65rem .75rem;border-radius:10px;border:1px dashed rgba(255,107,53,.3);background:rgba(255,107,53,.05);color:var(--text-secondary);font-size:.84rem}.quiz-gen-group{border:none;padding:0;margin:0 0 1rem}.quiz-gen-group legend{font-size:.84rem;font-weight:700;margin-bottom:.55rem;color:var(--text-primary)}.quiz-gen-grid{display:grid;gap:.5rem}.quiz-gen-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.quiz-gen-btn{border-radius:12px;border:2px solid var(--border-subtle);background:var(--bg-primary,#fff);transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,background .12s ease}.quiz-gen-btn:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--primary,#3b82f6) 38%,var(--border-subtle));box-shadow:0 8px 18px rgba(59,130,246,.09)}.quiz-gen-btn:focus-visible{outline:2px solid var(--primary,#3b82f6);outline-offset:2px}.quiz-gen-btn .quiz-gen-count{font-size:1.25rem;font-weight:800;line-height:1.05;color:var(--text-primary)}.quiz-gen-btn .quiz-gen-label{font-size:.72rem;color:var(--text-muted);margin-top:.12rem}.quiz-gen-btn .quiz-gen-icon-wrap{display:flex;justify-content:center;margin-bottom:.1rem;color:var(--text-primary)}.quiz-gen-btn .quiz-gen-icon-wrap i{width:18px;height:18px}.quiz-gen-textarea{width:100%;padding:.7rem .8rem;border:1px solid var(--border-subtle);border-radius:10px;font-size:.86rem;background:var(--bg-primary);color:var(--text-primary);resize:vertical;min-height:88px;transition:border-color .12s ease,box-shadow .12s ease}.quiz-gen-textarea:focus{outline:none;border-color:var(--primary,#3b82f6);box-shadow:0 0 0 3px rgba(59,130,246,.12)}.quiz-gen-chip-row{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.6rem}.quiz-gen-chip{padding:.35rem .6rem;border-radius:999px;font-size:.77rem;line-height:1.2;border-color:var(--border-subtle)}.quiz-gen-chip:hover{border-color:rgba(255,107,53,.35);color:var(--text-primary);background:rgba(255,107,53,.06)}.quiz-gen-submit{width:100%;min-height:44px;font-weight:700}.quiz-gen-live-status{display:none;align-items:flex-start;gap:.65rem;margin-top:.85rem;padding:.8rem .85rem;border-radius:12px;border:1px solid rgba(59,130,246,.22);background:rgba(59,130,246,.06)}.quiz-gen-live-status.active{display:flex}.quiz-gen-live-icon{width:1.1rem;height:1.1rem;flex-shrink:0;margin-top:.05rem;color:var(--primary,#3b82f6)}.quiz-gen-live-icon svg{width:100%;height:100%;animation:spin 1.6s linear infinite}.quiz-gen-live-copy{min-width:0}.quiz-gen-live-title{margin:0;font-size:.84rem;font-weight:700;color:var(--text-primary);line-height:1.3}.quiz-gen-live-sub{margin:.16rem 0 0;font-size:.78rem;line-height:1.35;color:var(--text-muted)}.quiz-empty-note-card{text-align:center;padding:1rem 1.1rem;margin:.9rem auto 0;max-width:640px;border:1px dashed var(--border-subtle);border-radius:12px;background:color-mix(in srgb,var(--bg-surface) 75%,transparent)}.quiz-empty-note-card p{margin:0;color:var(--text-muted);font-size:.86rem}@media (max-width:768px){.quiz-state-banner{margin-bottom:.9rem}.quiz-gen-shell,.quiz-state-banner{border-radius:.9rem}.quiz-gen-shell-head{padding:.95rem .95rem .8rem;gap:.75rem}.quiz-gen-shell-body{padding:.9rem .95rem 1rem}.quiz-gen-shell-icon{width:46px;height:46px;border-radius:12px}.quiz-gen-shell-icon svg{width:22px;height:22px}.quiz-gen-grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-gen-chip-row{gap:.35rem}.quiz-gen-chip{font-size:.74rem;padding:.34rem .54rem}.podcast-page{padding:0}.player-card{padding:1rem;border-radius:10px}.player-art{width:56px;height:56px;border-radius:12px}.player-art svg{width:24px;height:24px}.player-title{font-size:1.05rem}.player-controls{gap:.5rem}.play-btn{width:44px;height:44px}.play-btn svg{width:18px;height:18px}.volume-btn{display:none}.player-pills{gap:.3rem}.pill{padding:.25rem .55rem;font-size:.72rem}.script-body{font-size:.87rem}.transcript-content{padding:1rem 1.1rem}.podcast-config,.script-section{border-radius:.9rem;padding:1rem}.podcast-secondary-btn{padding:.45rem .7rem;width:auto;height:auto;justify-content:center}}.podcast-config{max-width:680px;margin:0 auto;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:1rem;padding:1.5rem;box-shadow:0 12px 28px rgba(0,0,0,.18);overflow:hidden}html:not([data-theme=dark]) .podcast-config{box-shadow:0 8px 22px rgba(15,23,42,.08)}.config-header{text-align:center;margin-bottom:2rem}.config-icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,#6366f1,#8b5cf6,#a855f7);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:#fff}.config-title{font-size:1.4rem;font-weight:700;margin:0 0 .35rem}.config-subtitle{margin:0}.config-blocked,.config-subtitle{color:var(--text-muted);font-size:.9rem}.config-blocked{text-align:center;padding:2rem}.config-section{margin-bottom:1.75rem}.config-label{display:flex;align-items:center;gap:.5rem;font-size:.88rem;font-weight:600;margin-bottom:.65rem;color:var(--text-primary)}.config-optional{font-weight:400;font-size:.78rem;color:var(--text-muted)}.voice-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.6rem}.voice-card{display:flex;align-items:center;gap:.65rem;padding:.7rem .85rem;border-radius:10px;border:1.5px solid hsla(0,0%,100%,.08);background:transparent;cursor:pointer;transition:all .15s;text-align:left;width:100%}html:not([data-theme=dark]) .voice-card{border-color:var(--border-subtle)}.voice-card:hover{border-color:rgba(99,102,241,.35);background:rgba(99,102,241,.04)}.voice-card.selected{border-color:var(--primary,#6366f1);background:rgba(99,102,241,.08);box-shadow:0 0 0 1px var(--primary,#6366f1)}.voice-avatar{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;flex-shrink:0;color:#fff}.voice-avatar.female{background:linear-gradient(135deg,#ec4899,#a855f7)}.voice-avatar.male{background:linear-gradient(135deg,#3b82f6,#6366f1)}.voice-avatar.none{background:hsla(0,0%,100%,.06);color:var(--text-muted)}html:not([data-theme=dark]) .voice-avatar.none{background:var(--bg-secondary,#f0f0f0)}.voice-info{display:flex;flex-direction:column;min-width:0}.voice-name{font-size:.88rem;font-weight:600;color:var(--text-primary);line-height:1.2}.voice-desc{font-size:.75rem;color:var(--text-muted);line-height:1.3;margin-top:1px}.length-pills{display:flex;gap:.6rem;flex-wrap:wrap}.length-pill{flex:1;display:flex;flex-direction:column;align-items:center;padding:.75rem .5rem;border-radius:10px;border:1.5px solid hsla(0,0%,100%,.08);background:transparent;cursor:pointer;transition:all .15s}html:not([data-theme=dark]) .length-pill{border-color:var(--border-subtle)}.length-pill:hover{border-color:rgba(99,102,241,.35);background:rgba(99,102,241,.04)}.length-pill.selected{border-color:var(--primary,#6366f1);background:rgba(99,102,241,.08);box-shadow:0 0 0 1px var(--primary,#6366f1)}.length-name{font-size:.88rem;font-weight:600;color:var(--text-primary)}.length-time{font-size:.75rem;color:var(--text-muted);margin-top:2px}.config-select{width:100%;padding:.55rem .85rem;border-radius:8px;border:1.5px solid hsla(0,0%,100%,.08);background:hsla(0,0%,100%,.03);color:var(--text-primary);font-size:.88rem;-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}html:not([data-theme=dark]) .config-select{border-color:var(--border-subtle);background:var(--bg-primary,#fff)}.config-textarea{width:100%;padding:.65rem .85rem;border-radius:8px;border:1.5px solid hsla(0,0%,100%,.08);background:hsla(0,0%,100%,.03);color:var(--text-primary);font-size:.88rem;font-family:inherit;resize:vertical;min-height:60px}html:not([data-theme=dark]) .config-textarea{border-color:var(--border-subtle);background:var(--bg-primary,#fff)}.config-textarea::-moz-placeholder{color:var(--text-muted);opacity:.6}.config-textarea::placeholder{color:var(--text-muted);opacity:.6}.config-actions{margin-top:2rem;text-align:center}.config-actions .btn-lg{padding:.75rem 2rem;font-size:1rem;gap:.5rem}.btn-spinner{display:inline-block;width:16px;height:16px;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@media (max-width:768px){.voice-grid{grid-template-columns:1fr}.length-pills{gap:.4rem}.length-pill{padding:.6rem .35rem}.config-title{font-size:1.2rem}}body.has-doc-rail .notes-page-layout{flex:1;min-width:0;display:flex;height:calc(100vh - var(--app-nav-height, 53px));padding:.75rem;overflow:hidden}.doc-mobile-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:56px;background:var(--bg-primary,#fff);border-top:1px solid var(--border-subtle);z-index:40;justify-content:space-around;align-items:center;padding:0 .5rem}.doc-mobile-icon{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--text-muted);text-decoration:none;padding:.35rem .5rem;border-radius:8px;transition:color .15s;font-size:10px;font-weight:500}.doc-mobile-icon i,.doc-mobile-icon svg{width:20px;height:20px}.doc-mobile-icon.active{color:var(--primary,#3b82f6)}.doc-mobile-icon.disabled{opacity:.35;pointer-events:none}.doc-mobile-badge{position:absolute;top:0;right:0;min-width:14px;height:14px;padding:0 3px;border-radius:7px;background:var(--primary,#3b82f6);color:#fff;font-size:9px;font-weight:600;line-height:14px;text-align:center}@media (max-width:768px){body.has-doc-rail,html.doc-layout{height:auto;overflow-y:auto}body.has-doc-rail{min-height:100%;overflow-x:hidden}.doc-rail{display:none}.doc-mobile-nav{display:flex}body.has-doc-rail .main-content{display:block;height:auto;overflow:visible;padding-bottom:calc(84px + env(safe-area-inset-bottom, 0px))}body.has-doc-rail .nav-user{gap:.4rem}body.has-doc-rail .nav-user .nav-user-role,body.has-doc-rail .nav-user .username,body.settings-page-body .nav-user .nav-user-role,body.settings-page-body .nav-user .username{display:none}body.has-doc-rail .notes-page-layout{height:auto}.doc-main-area{height:auto;overflow:visible;padding:1rem 1rem calc(96px + env(safe-area-inset-bottom, 0px))}body.notes-page-body .notes-shell{padding:0 1rem calc(96px + env(safe-area-inset-bottom, 0px))}body.has-doc-rail .chat-toggle{right:1rem;bottom:calc(56px + 1rem + env(safe-area-inset-bottom, 0px));width:46px;height:46px}body.has-doc-rail .chat-toggle svg{width:20px;height:20px}.doc-main-area.quiz-main-area{padding-top:.75rem}.doc-main-area.quiz-main-area .quiz-mobile-sticky{top:calc(var(--app-nav-height, 53px) + .35rem)!important;padding:0 1rem .2rem!important}.doc-main-area.quiz-main-area .quiz-mobile-sticky-spacer{display:block!important;height:4.25rem!important}body.flashcards-study-body .flashcard-stage{padding:1rem 0 0;min-height:auto}body.flashcards-study-body .flashcard{max-width:100%;height:15rem}body.flashcards-study-body .flashcard-content{padding:2.4rem 1.25rem 1.4rem}.podcast-page{padding-bottom:calc(96px + env(safe-area-inset-bottom, 0px))}.podcast-breadcrumbs{margin-bottom:1rem;overflow-x:auto;white-space:nowrap;padding-bottom:.15rem}.player-header{align-items:flex-start;flex-wrap:wrap}.player-meta{flex:1 1 calc(100% - 88px)}.podcast-header-actions{width:100%;justify-content:space-between}.podcast-secondary-btn span{display:none}body.settings-page-body .settings-container{margin-bottom:calc(5rem + env(safe-area-inset-bottom, 0px))}}@media (max-width:420px){.nav-container .nav-user{gap:.25rem}.nav-container .nav-user .username{max-width:64px;font-size:11px}.nav-container .nav-user .trial-badge{font-size:9px;padding:.1rem .28rem}.nav-container .nav-user .btn-sm{padding:.2rem .35rem;font-size:10px}.doc-mobile-icon{padding:.35rem .3rem;font-size:9px}.doc-mobile-icon span{max-width:56px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.review-buttons{display:flex;justify-content:center;gap:1.5rem;padding:1.5rem;opacity:0;pointer-events:none;transition:opacity .2s ease}.review-buttons.is-visible{opacity:1;pointer-events:auto}.btn-dont-know,.btn-know{display:flex;align-items:center;gap:.75rem;padding:1rem 2rem;border-radius:12px;font-weight:600;font-size:1rem;transition:all .2s ease}.btn-dont-know{background:rgba(239,68,68,.15);color:#ef4444;border:2px solid rgba(239,68,68,.4)}.btn-dont-know:hover{background:rgba(239,68,68,.25)}.btn-know{background:rgba(34,197,94,.15);color:#22c55e;border:2px solid rgba(34,197,94,.4)}.btn-know:hover{background:rgba(34,197,94,.25)}.btn-icon{font-size:1.25rem;line-height:1}.flashcards-study-stats-card{margin-top:.4rem;border:1px solid #222;border-radius:12px;background:#111;padding:.75rem .9rem;min-width:320px;max-width:520px;width:100%}.flashcards-study-stats-head{display:flex;align-items:center;gap:.35rem;margin-bottom:.4rem}.flashcards-study-stats-dot{width:6px;height:6px;border-radius:999px;background:#2dd4bf}.flashcards-study-stats-label{font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:#2dd4bf;font-weight:700}.flashcards-study-stats-body{margin:0;font-size:.78rem;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;gap:.45rem;flex-wrap:wrap}.flashcards-study-stats-body strong{color:var(--text-primary);font-weight:700}.flashcard-nav svg,.flashcards-nav svg{width:24px!important;height:24px!important}.flashcard-summary svg,.session-summary svg{width:48px!important;height:48px!important}.flashcards-study-nav{display:flex;align-items:center;justify-content:space-between;padding:1rem;position:sticky;top:0;background:var(--bg-primary);z-index:100}.flashcards-back{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);text-decoration:none}.flashcards-back svg{width:24px!important;height:24px!important}.flashcards-back:hover{color:var(--text-primary)}.flashcards-options-btn svg{width:24px!important;height:24px!important}.flashcard-action-btn svg{width:20px!important;height:20px!important}.flashcard-study-main{max-width:600px;margin:0 auto;padding:2rem 1rem}.flashcard-stats{display:flex;gap:1rem;margin-bottom:1.5rem}.session-complete{text-align:center;padding:2rem}.session-complete svg{width:64px!important;height:64px!important;margin-bottom:1rem}.swipe-indicator{display:flex;opacity:0!important;width:100px!important;height:100px!important;pointer-events:none}.swipe-indicator.show{display:flex!important;opacity:1!important}.flashcards-study{display:flex;flex-direction:column;min-height:100vh}.flashcards-progress-bar{display:flex;justify-content:center;gap:2rem;padding:.75rem 1rem;border-bottom:1px solid var(--border-color)}.flashcards-progress-bar.is-hidden{display:none}.progress-section{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary)}.progress-count{font-weight:600;color:var(--text-primary)}.flashcard-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:2rem 1rem;min-height:60vh}body.flashcards-study-body .flashcard,body.flashcards-study-body .flashcard-container{width:100%;max-width:36rem;margin:0 auto}body.flashcards-study-body .flashcard{height:20rem}body.flashcards-study-body .flashcard-back,body.flashcards-study-body .flashcard-front{border-radius:16px;font-size:18px;font-weight:400;line-height:1.5;position:absolute;background:#111;border:1px solid #222;padding:0}body.flashcards-study-body .flashcard-back{border-color:rgba(255,107,53,.28)}body.flashcards-study-body .flashcard-text{color:var(--text-primary);max-height:100%;overflow-y:auto}body.flashcards-study-body .flashcard-content{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;text-align:center;padding:3rem 2rem 2rem}.flashcard-face-label{position:absolute;top:.95rem;left:50%;transform:translateX(-50%);font-size:.62rem;text-transform:uppercase;letter-spacing:.12em;font-weight:700}.flashcard-face-label-front{color:#ff6b35}.flashcard-face-label-back{color:#9ca3af}body.flashcards-study-body .flashcard.is-flipped .flashcard-inner{transform:rotateY(180deg)}.flashcards-end{display:none;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:2rem 1rem;min-height:60vh}.flashcards-end.is-visible{display:flex}.flashcards-end-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:2.5rem;max-width:28rem;width:100%;text-align:center}.flashcards-end-card .card-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.flashcards-end-card .card-body{color:var(--text-secondary);margin-bottom:1.5rem}.flashcards-stats{display:flex;justify-content:center;gap:2rem;margin-bottom:1.5rem}.flashcards-stat{text-align:center}.flashcards-stat-label{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.25rem}.flashcards-stat-value{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.flashcards-end-actions{display:flex;flex-direction:column;gap:.75rem}.flashcards-end-actions .btn{padding:.75rem 1.5rem;font-size:1rem;width:100%}@media (max-width:720px){.review-buttons{gap:.7rem;padding:1rem .25rem}.btn-dont-know,.btn-know{font-size:.84rem;padding:.78rem 1rem;gap:.45rem}.flashcards-study-stats-card{min-width:0}}.landing-page{--landing-bg-primary:#000;--landing-bg-secondary:#050505;--landing-bg-card:#111;--landing-border-color:#222;--landing-text-primary:#e9e8e8;--landing-text-secondary:hsla(0,2%,91%,.6);--landing-text-muted:hsla(0,2%,91%,.4);--landing-gradient-primary:linear-gradient(135deg,#ff6b35,#ff8f5e 45%,#ffb088);--landing-gradient-glow:radial-gradient(ellipse at center,rgba(255,107,53,.15) 0%,transparent 70%);--landing-gradient-purple:linear-gradient(180deg,rgba(255,107,53,.06),transparent 60%);--landing-accent-teal:#14b8a6;--landing-accent-teal-bg:rgba(20,184,166,.15);--landing-accent-teal-glow:rgba(20,184,166,.35);--landing-accent-purple:#a855f7;--landing-accent-purple-bg:rgba(168,85,247,.15);--landing-accent-purple-glow:rgba(168,85,247,.35);--landing-accent-orange:#f97316;--landing-accent-orange-bg:rgba(249,115,22,.15);--landing-accent-orange-glow:rgba(249,115,22,.35);--landing-accent-blue:#3b82f6;--landing-accent-blue-bg:rgba(59,130,246,.15);--landing-accent-blue-glow:rgba(59,130,246,.35);--landing-accent-green:#22c55e;--landing-accent-green-bg:rgba(34,197,94,.15);--landing-accent-green-glow:rgba(34,197,94,.35);--landing-accent-pink:#ec4899;--landing-accent-pink-bg:rgba(236,72,153,.15);--landing-accent-pink-glow:rgba(236,72,153,.35);--landing-accent-amber:#f59e0b;--landing-accent-amber-bg:rgba(245,158,11,.15);--landing-accent-amber-glow:rgba(245,158,11,.35);--landing-accent-red:#ef4444;--landing-accent-red-bg:rgba(239,68,68,.15);--landing-accent-red-glow:rgba(239,68,68,.35);--landing-accent-gray:#6b7280;--landing-accent-gray-bg:hsla(220,9%,46%,.2);--landing-accent-gray-glow:hsla(220,9%,46%,.25);--landing-badge-bg:rgba(255,107,53,.08);--landing-badge-border:rgba(255,107,53,.2);--landing-announcement-bg:#0f0f0f;--landing-announcement-border:hsla(0,0%,100%,.08);--landing-nav-bg:rgba(0,0,0,.85);--landing-nav-bg-scrolled:rgba(0,0,0,.95);--landing-nav-border:hsla(0,0%,100%,.08);--landing-logo-icon-bg:hsla(0,0%,100%,.08);--landing-logo-icon-border:hsla(0,0%,100%,.12);--landing-btn-primary-bg:#ff6b35;--landing-btn-primary-color:#000;--landing-btn-secondary-border:rgba(255,107,53,.3);--landing-btn-secondary-color:#fff;--landing-mockup-bg:#0f0f0f;--landing-mockup-border:hsla(0,0%,100%,.1);--landing-mockup-header-bg:#121212;--landing-mockup-header-border:hsla(0,0%,100%,.08);--landing-mockup-dot-red:#ef4444;--landing-mockup-dot-yellow:#f59e0b;--landing-mockup-dot-green:#22c55e;--landing-mockup-dot-gray:#444;--landing-feature-card-bg:hsla(0,0%,100%,.03);--landing-feature-card-border:hsla(0,0%,100%,.08);--landing-feature-card-top-border:hsla(0,0%,100%,.06);--landing-feature-icon-bg:hsla(0,0%,100%,.05);--landing-feature-status-bg:#ff6b35;--landing-feature-status-shadow:rgba(255,107,53,.18);--landing-feature-status-muted:#6b7280;--landing-coming-soon-bg:#0f0f0f;--landing-coming-soon-badge-bg:rgba(148,163,184,.15);--landing-coming-soon-badge-border:rgba(148,163,184,.3);--landing-how-it-works-bg:linear-gradient(180deg,transparent,hsla(0,0%,100%,.03) 50%,transparent);--landing-step-number-shadow:rgba(0,0,0,.35);--landing-step-image-bg:var(--landing-bg-card);--landing-mock-window-bg:rgba(0,0,0,.4);--landing-mock-header-bg:hsla(0,0%,100%,.05);--landing-mock-dot-red:#5f5f5f;--landing-mock-dot-yellow:#7a7a7a;--landing-mock-dot-green:#9a9a9a;--landing-upload-area-border:hsla(0,0%,100%,.2);--landing-pricing-featured-bg:linear-gradient(135deg,rgba(255,107,53,.08),rgba(255,107,53,.03));--landing-pricing-featured-border:rgba(255,107,53,.25);--landing-popular-badge-bg:linear-gradient(135deg,#ff6b35,#e05a2b);--landing-pricing-check-color:#ff6b35;--landing-footer-border:var(--landing-border-color);--landing-social-bg:var(--landing-bg-card);--landing-social-border:var(--landing-border-color);--landing-social-hover-bg:hsla(0,0%,100%,.1);--landing-social-hover-border:hsla(0,0%,100%,.2)}.landing-page *{margin:0;padding:0;box-sizing:border-box}.landing-page{scroll-behavior:smooth}.landing-page body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--landing-bg-primary);color:var(--landing-text-primary);line-height:1.6;overflow-x:hidden}.landing-page section{padding:80px 2rem}.landing-page .bg-glow{position:fixed;top:-50%;left:50%;transform:translateX(-50%);width:1200px;height:800px;background:var(--landing-gradient-glow);pointer-events:none;z-index:0;animation:glowPulse 8s ease-in-out infinite}@keyframes glowPulse{0%,to{opacity:.5;transform:translateX(-50%) scale(1)}50%{opacity:.8;transform:translateX(-50%) scale(1.1)}}.landing-page .announcement-banner{background:var(--landing-announcement-bg);border-bottom:1px solid var(--landing-announcement-border);color:var(--landing-text-secondary);font-size:.85rem;text-align:center;padding:.6rem 1rem}.landing-page nav{position:sticky;top:0;left:0;right:0;z-index:1000;padding:1.25rem 2rem;background:var(--landing-nav-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--landing-nav-border);transition:all .3s ease}.landing-page nav.scrolled{padding:.875rem 2rem;background:var(--landing-nav-bg-scrolled)}.landing-page .nav-container{max-width:none;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.landing-page .logo{display:flex;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:700;color:var(--landing-text-primary);text-decoration:none}.landing-page .landing-logo-img{height:40px;width:auto;max-height:40px;border-radius:8px}.landing-page .landing-logo-img-sm{height:32px;width:auto;max-height:32px;border-radius:6px}.landing-page .theme-logo-light.landing-logo-img,.landing-page .theme-logo-light.landing-logo-img-sm{display:none}.landing-page .theme-logo-dark.landing-logo-img,.landing-page .theme-logo-dark.landing-logo-img-sm{display:block}html:not([data-theme=dark]).landing-page .theme-logo-dark.landing-logo-img,html:not([data-theme=dark]).landing-page .theme-logo-dark.landing-logo-img-sm{display:none}html:not([data-theme=dark]).landing-page .theme-logo-light.landing-logo-img,html:not([data-theme=dark]).landing-page .theme-logo-light.landing-logo-img-sm{display:block}.landing-page .logo-icon{width:36px;height:36px;background:var(--landing-logo-icon-bg);border:1px solid var(--landing-logo-icon-border);border-radius:10px;display:flex;align-items:center;justify-content:center}.landing-page .logo-icon img{width:22px;height:22px;-o-object-fit:contain;object-fit:contain;display:block}.landing-page .nav-links{display:flex;gap:2.5rem;list-style:none}.landing-page .nav-links a{color:var(--landing-text-secondary);text-decoration:none;font-size:.875rem;font-weight:500;transition:opacity .2s ease}.landing-page .nav-links a:hover{opacity:.8}.landing-page .nav-cta{display:flex;gap:1.5rem;align-items:center}.landing-page .nav-login{font-weight:600;text-transform:uppercase;letter-spacing:.05em}.landing-page .btn{padding:12px 24px;border-radius:10px;font-size:.875rem;font-weight:500;cursor:pointer;transition:opacity .2s ease,transform .2s ease;text-decoration:none;border:1px solid transparent;display:inline-flex;align-items:center;gap:.5rem}.landing-page .btn-primary{background:var(--landing-btn-primary-bg);color:var(--landing-btn-primary-color);border-color:transparent}.landing-page .btn-primary:hover{transform:translateY(-2px);opacity:.9}.landing-page .btn-secondary{background:transparent;color:var(--landing-btn-secondary-color);border:1px solid var(--landing-btn-secondary-border)}.landing-page .btn-secondary:hover{transform:translateY(-2px);opacity:.8}.landing-page .btn-large{padding:12px 24px;font-size:1rem;border-radius:10px}.landing-page .hero{min-height:90vh;justify-content:center;padding:9rem 2rem 6rem;overflow:hidden}.landing-page .hero,.landing-page .hero-inner{position:relative;display:flex;flex-direction:column;align-items:center}.landing-page .hero-inner{z-index:1;max-width:1100px;width:100%;gap:3rem;text-align:center}.landing-page .hero:before{content:"";position:absolute;top:0;left:0;right:0;height:60%;background:var(--landing-gradient-purple);pointer-events:none}.landing-page .hero-grid{position:absolute;top:10%;right:5%;width:300px;height:300px;background-image:radial-gradient(circle,hsla(0,0%,100%,.1) 1px,transparent 0);background-size:20px 20px;opacity:.5;animation:floatGrid 20s linear infinite}@keyframes floatGrid{0%{transform:translateY(0)}50%{transform:translateY(-20px)}to{transform:translateY(0)}}.landing-page .hero-content{position:relative;z-index:1;text-align:center;max-width:720px}.landing-page .badge{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem .9rem;background:var(--landing-badge-bg);border:1px solid var(--landing-badge-border);border-radius:999px;font-size:.75rem;font-weight:500;color:var(--landing-text-secondary);margin-bottom:1.75rem;animation:fadeInUp .6s ease}.landing-page .badge-icon{width:16px;height:16px;color:#fbbf24}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.landing-page .hero h1{font-size:clamp(3rem,6vw,4.8rem);font-weight:700;line-height:1.05;margin-bottom:1.5rem;letter-spacing:-.03em;animation:fadeInUp .6s ease .1s both}.landing-page .hero h1 span{color:#fff}.landing-page .hero p:not(.hero-microcopy){font-size:1.15rem;color:hsla(0,0%,100%,.65);max-width:640px;margin:0 auto 2.75rem;font-weight:400;animation:fadeInUp .6s ease .2s both}.landing-page .hero-cta{gap:1rem;animation:fadeInUp .6s ease .3s both}.landing-page .hero-mockup{width:min(960px,92%);background:var(--landing-mockup-bg);border:1px solid var(--landing-mockup-border);border-radius:18px;overflow:hidden;box-shadow:0 25px 50px -12px rgba(0,0,0,.5),0 0 80px hsla(0,0%,100%,.03);position:relative}.landing-page .mockup-header{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:var(--landing-mockup-header-bg);border-bottom:1px solid var(--landing-mockup-header-border)}.landing-page .mockup-dot{width:10px;height:10px;border-radius:999px;background:var(--landing-mockup-dot-gray)}.landing-page .mockup-dot.red{background:var(--landing-mockup-dot-red)}.landing-page .mockup-dot.yellow{background:var(--landing-mockup-dot-yellow)}.landing-page .mockup-dot.green{background:var(--landing-mockup-dot-green)}.landing-page .mockup-body{padding:.75rem;background:var(--landing-mockup-bg)}.landing-page .mockup-body img{width:100%;height:auto;display:block;border-radius:12px;border:1px solid hsla(0,0%,100%,.06)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes progressGrow{0%{width:0}50%{width:75%}to{width:100%}}.landing-page .logo-cloud{padding:80px 2rem;border-top:1px solid var(--landing-border-color);position:relative;z-index:1}.landing-page .logo-cloud p{text-align:center;color:var(--landing-text-muted);font-size:.875rem;margin-bottom:2rem}.landing-page .logos{display:flex;justify-content:center;align-items:center;gap:3rem;flex-wrap:wrap;opacity:.5}.landing-page .logo-item{font-size:1.25rem;font-weight:700;color:var(--landing-text-secondary);filter:grayscale(100%);transition:all .3s ease}.landing-page .logo-item:hover{filter:grayscale(0);opacity:1}.landing-page .features{padding:80px 2rem;position:relative}.landing-page .section-header{text-align:center;max-width:700px;margin:0 auto 4rem}.landing-page .section-header h2{font-size:clamp(2rem,4vw,3rem);font-weight:700;margin-bottom:1rem}.landing-page .section-header p{color:var(--landing-text-secondary);font-size:1.125rem}.landing-page .features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1200px;margin:0 auto}.landing-page .feature-card.accent-teal{--accent-color:var(--landing-accent-teal);--accent-bg:var(--landing-accent-teal-bg);--accent-glow:var(--landing-accent-teal-glow)}.landing-page .feature-card.accent-purple{--accent-color:var(--landing-accent-purple);--accent-bg:var(--landing-accent-purple-bg);--accent-glow:var(--landing-accent-purple-glow)}.landing-page .feature-card.accent-orange{--accent-color:var(--landing-accent-orange);--accent-bg:var(--landing-accent-orange-bg);--accent-glow:var(--landing-accent-orange-glow)}.landing-page .feature-card.accent-blue{--accent-color:var(--landing-accent-blue);--accent-bg:var(--landing-accent-blue-bg);--accent-glow:var(--landing-accent-blue-glow)}.landing-page .feature-card.accent-green{--accent-color:var(--landing-accent-green);--accent-bg:var(--landing-accent-green-bg);--accent-glow:var(--landing-accent-green-glow)}.landing-page .feature-card.accent-pink{--accent-color:var(--landing-accent-pink);--accent-bg:var(--landing-accent-pink-bg);--accent-glow:var(--landing-accent-pink-glow)}.landing-page .feature-card.accent-amber{--accent-color:var(--landing-accent-amber);--accent-bg:var(--landing-accent-amber-bg);--accent-glow:var(--landing-accent-amber-glow)}.landing-page .feature-card.accent-red{--accent-color:var(--landing-accent-red);--accent-bg:var(--landing-accent-red-bg);--accent-glow:var(--landing-accent-red-glow)}.landing-page .feature-card.accent-gray{--accent-color:var(--landing-accent-gray);--accent-bg:var(--landing-accent-gray-bg);--accent-glow:var(--landing-accent-gray-glow)}.landing-page .feature-card{background:var(--landing-feature-card-bg);border:1px solid var(--landing-feature-card-border);border-radius:16px;padding:24px;min-height:180px;opacity:1;transform:none;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;position:relative;overflow:hidden;box-shadow:none;--accent-color:#e9e8e8;--accent-bg:hsla(0,2%,91%,.15);--accent-glow:hsla(0,2%,91%,.25)}.landing-page .feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--landing-feature-card-top-border)}.landing-page .feature-card:hover{transform:translateY(-4px);border-color:var(--accent-color);box-shadow:0 18px 40px var(--accent-glow)}.landing-page .feature-icon{width:48px;height:48px;background:var(--landing-feature-icon-bg);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem;transition:transform .2s ease;color:var(--accent-color)}.landing-page .feature-icon svg{width:24px;height:24px;color:var(--accent-color)}.landing-page .feature-title{display:flex;align-items:center;gap:.5rem}.landing-page .feature-status{width:8px;height:8px;border-radius:999px;background:var(--landing-feature-status-bg);box-shadow:0 0 0 4px var(--landing-feature-status-shadow)}.landing-page .feature-status.muted{background:var(--landing-feature-status-muted);box-shadow:none}.landing-page .feature-card:hover .feature-icon{transform:scale(1.1)}.landing-page .feature-card h3{font-size:1.125rem;font-weight:600;margin-bottom:.75rem}.landing-page .feature-card p{color:var(--landing-text-secondary);font-size:.875rem;line-height:1.6}.landing-page .feature-card.coming-soon{opacity:.75;border:1px solid hsla(0,0%,100%,.1);background:var(--landing-coming-soon-bg)}.landing-page .coming-soon-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .5rem;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--landing-coming-soon-badge-bg);color:var(--landing-text-muted);border:1px solid var(--landing-coming-soon-badge-border);text-transform:uppercase}.landing-page .how-it-works{padding:80px 2rem;background:var(--landing-how-it-works-bg)}.landing-page .steps-container{max-width:1100px;margin:0 auto}.landing-page .step{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;margin-bottom:6rem}.landing-page .step:nth-child(2n){direction:rtl}.landing-page .step:nth-child(2n)>*{direction:ltr}.landing-page .step-visual{position:relative}.landing-page .step-number{position:absolute;top:-20px;left:-20px;width:60px;height:60px;background:var(--landing-gradient-primary);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;box-shadow:0 10px 30px var(--landing-step-number-shadow)}.landing-page .step-image{background:var(--landing-step-image-bg);border:1px solid var(--landing-border-color);border-radius:20px;padding:2.5rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.landing-page .mock-window{background:var(--landing-mock-window-bg);border-radius:12px;overflow:hidden}.landing-page .mock-header{display:flex;gap:.5rem;padding:.75rem 1rem;background:var(--landing-mock-header-bg)}.landing-page .mock-dot{width:10px;height:10px;border-radius:50%}.landing-page .mock-dot.red{background:var(--landing-mock-dot-red)}.landing-page .mock-dot.yellow{background:var(--landing-mock-dot-yellow)}.landing-page .mock-dot.green{background:var(--landing-mock-dot-green)}.landing-page .mock-content{padding:1.75rem}.landing-page .upload-area{border:2px dashed var(--landing-upload-area-border);border-radius:12px;padding:2rem;text-align:center;background:transparent}.landing-page .upload-icon{width:48px;height:48px;margin:0 auto 1rem;background:var(--landing-gradient-primary);border-radius:12px;display:flex;align-items:center;justify-content:center}.landing-page .step-content h3{font-size:1.75rem;font-weight:700;margin-bottom:1rem}.landing-page .step-content p{color:var(--landing-text-secondary);font-size:1rem;line-height:1.7}.landing-page .pricing{padding:80px 2rem}.landing-page .pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;max-width:1000px;margin:0 auto}.landing-page .pricing-card{background:var(--landing-bg-card);border:1px solid hsla(0,0%,100%,.1);border-radius:20px;padding:2rem;position:relative;transition:transform .2s ease,border-color .2s ease}.landing-page .pricing-card.featured{background:var(--landing-pricing-featured-bg);border-color:var(--landing-pricing-featured-border)}.landing-page .popular-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--landing-popular-badge-bg);padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;color:#fff;text-transform:uppercase;letter-spacing:.04em}.landing-page .pricing-card:hover{transform:translateY(-4px);border-color:hsla(0,0%,100%,.2)}.landing-page .pricing-card.featured:hover{transform:translateY(-4px)}.landing-page .pricing-name{font-size:1.25rem;font-weight:700;margin-bottom:.5rem;color:#fff}.landing-page .pricing-desc{color:#b4b4b4;font-size:.875rem;margin-bottom:1.5rem}.landing-page .pricing-price{font-size:3rem;font-weight:700;margin-bottom:1.5rem;color:#fff}.landing-page .pricing-price span{font-size:1rem;color:#b4b4b4;font-weight:400}.landing-page .pricing-features{list-style:none;margin-bottom:2rem}.landing-page .pricing-features li{display:flex;align-items:center;gap:.75rem;padding:.5rem 0;font-size:.875rem;color:#c8c8c8}.landing-page .pricing-features li svg{width:18px;height:18px;color:#14b8a6;flex-shrink:0}.landing-page footer{padding:4rem 2rem 2rem;border-top:1px solid var(--landing-footer-border)}.landing-page .footer-container{max-width:1200px;margin:0 auto}.landing-page .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:4rem;margin-bottom:4rem}.landing-page .footer-brand p{color:var(--landing-text-secondary);font-size:.875rem;margin-top:1rem;line-height:1.6}.landing-page .footer-links h4{font-size:.875rem;font-weight:600;margin-bottom:1.5rem;text-transform:uppercase;letter-spacing:.05em}.landing-page .footer-links ul{list-style:none}.landing-page .footer-links li{margin-bottom:.75rem}.landing-page .footer-links a{color:var(--landing-text-secondary);text-decoration:none;font-size:.875rem;transition:color .3s ease}.landing-page .footer-links a:hover{color:var(--landing-text-primary)}.landing-page .footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:2rem;border-top:1px solid var(--landing-border-color)}.landing-page .footer-bottom p{color:var(--landing-text-muted);font-size:.875rem}.landing-page .social-links{display:flex;gap:1rem}.landing-page .social-links a{width:36px;height:36px;background:var(--landing-social-bg);border:1px solid var(--landing-social-border);border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.landing-page .social-links a:hover{background:var(--landing-social-hover-bg);border-color:var(--landing-social-hover-border)}.landing-page .social-links svg{width:18px;height:18px;color:var(--landing-text-secondary)}@media (max-width:1024px){.landing-page .features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:968px){.landing-page .nav-links{display:none}.landing-page .hero-inner{gap:2rem}.landing-page .hero-mockup{width:100%}.landing-page .step{grid-template-columns:1fr;gap:2rem}.landing-page .step:nth-child(2n){direction:ltr}.landing-page .footer-top{grid-template-columns:1fr 1fr;gap:2rem}}@media (max-width:768px){.landing-page .features-grid{grid-template-columns:1fr}.landing-page .hero h1{font-size:2rem}}@media (max-width:640px){.mobile-nav-backdrop{position:fixed;inset:64px 0 0 0;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease;z-index:20}body.mobile-nav-open .mobile-nav-backdrop{opacity:1;visibility:visible;pointer-events:auto}.navbar{padding-left:1rem;padding-right:1rem;z-index:31}.nav-container{gap:.5rem;flex-wrap:wrap}.nav-container .nav-links{display:none}.nav-container.nav-open .nav-links{display:flex;flex-direction:column;width:100%;order:10;gap:.5rem;padding:.5rem 0;position:relative;z-index:31}.nav-container .nav-user{gap:.5rem}.nav-container .nav-user .username{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.subject-cards{grid-template-columns:1fr!important}.notes-container{padding:.75rem .5rem!important}.notes-header{flex-direction:column!important}.notes-tabs{overflow-x:auto;flex-wrap:nowrap!important;-webkit-overflow-scrolling:touch;scrollbar-width:none}.notes-tabs::-webkit-scrollbar{display:none}#toast-container{left:1rem!important;right:1rem!important;bottom:1rem!important}.landing-page .hero-cta{flex-direction:column;align-items:center}.landing-page .footer-top{grid-template-columns:1fr}.landing-page .footer-bottom{flex-direction:column;gap:1rem;text-align:center}.landing-page .pricing-card.featured:hover{transform:translateY(-4px)}.landing-page .landing-logo-img{height:36px;max-height:36px}}@media (max-width:480px){.landing-page section{padding:60px 1rem}.landing-page .hero{padding:6rem 1rem 4rem}}@media (max-width:768px){.main-content,body,html{max-width:100%;overflow-x:hidden}body{font-size:14px;line-height:1.5}.btn,.chat-attach-btn,.chat-send-btn,.chat-toggle,.chat-voice-btn,.dashboard-mobile-toggle,.doc-mobile-icon,.modal-close,.nav-link,.nav-logo,.theme-toggle,.upload-action-card{min-height:44px;min-width:44px}.notes-editor-toolbar{flex-wrap:wrap;overflow-x:visible;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.notes-font-size,.notes-toolbar-divider,.notes-toolbar-group,.notes-toolbar-select{flex-shrink:0}.notes-toolbar-btn{width:40px;height:40px}.chat-sidebar{top:0;bottom:0;height:100vh;border-radius:0;visibility:hidden}.chat-sidebar.is-open{height:100vh;visibility:visible}body.has-doc-rail .chat-sidebar{top:auto;bottom:56px;height:calc(60vh - 56px);border-radius:20px 20px 0 0;transform:translateY(calc(100% + 56px + env(safe-area-inset-bottom, 0px)))}body.has-doc-rail .chat-sidebar.is-expanded,body.has-doc-rail .chat-sidebar.is-open{height:calc(100vh - 56px);transform:translateY(0);visibility:visible}body.has-doc-rail .chat-input-container{padding-bottom:calc(.8rem + env(safe-area-inset-bottom, 0px))}body.flashcards-study-body .flashcard-stage{padding-bottom:calc(76px + env(safe-area-inset-bottom, 0px));min-height:auto}body.flashcards-study-body .review-buttons{padding-bottom:calc(68px + env(safe-area-inset-bottom, 0px))}body.flashcards-study-body .doc-main-area{height:calc(100vh - 109px)}.notes-content table{display:table;width:100%;max-width:100%;table-layout:fixed}.notes-content td,.notes-content th{word-break:break-word;overflow-wrap:anywhere}.main-content img,.main-content video{max-width:100%;height:auto}.flashcard-container,.flashcard-inner{touch-action:pan-y}.auth-divider,.auth-footer,.auth-subtitle,.trial-badge{font-size:14px}.landing-page .footer-links a,.landing-page .logo,.landing-page .nav-links a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding-left:.25rem;padding-right:.25rem}.auth-card p,.landing-page .coming-soon-badge,.landing-page .mock-content p,.landing-page .mock-content span,.landing-page .popular-badge{font-size:14px!important}}@media (max-width:640px){.auth-card,.modal{width:100%;max-width:none}.auth-card input,.auth-card select,.auth-card textarea,.modal input,.modal select,.modal textarea{width:100%}.modal-overlay{padding:.5rem;align-items:flex-end}.modal{max-height:92vh;border-radius:14px;margin:0}.landing-page .features,.landing-page .hero,.landing-page .how-it-works,.landing-page .pricing{padding-left:1rem;padding-right:1rem}.landing-page .features-grid,.landing-page .pricing-grid{grid-template-columns:1fr}.landing-page .nav-cta{gap:.75rem}}.landing-page .landing-mobile-menu-btn{display:none;background:none;border:none;color:var(--landing-text-primary);cursor:pointer;padding:.5rem;-webkit-tap-highlight-color:transparent}.landing-page .landing-mobile-menu-btn .menu-icon-close,.landing-page nav.mobile-open .landing-mobile-menu-btn .menu-icon-open{display:none}.landing-page nav.mobile-open .landing-mobile-menu-btn .menu-icon-close{display:block}.landing-page .landing-mobile-menu{display:none}@media (max-width:968px){.landing-page .landing-mobile-menu-btn{display:flex;align-items:center;justify-content:center;min-height:44px;min-width:44px}.landing-page .nav-cta{display:none}.landing-page .landing-mobile-menu{display:none;flex-direction:column;gap:1rem;padding:1.25rem 0 1rem;border-top:1px solid var(--landing-nav-border);margin-top:1rem}.landing-page nav.mobile-open .landing-mobile-menu{display:flex}.landing-page .landing-mobile-menu-links{list-style:none;display:flex;flex-direction:column;gap:0}.landing-page .landing-mobile-menu-links a{display:block;padding:.875rem 0;color:var(--landing-text-secondary);text-decoration:none;font-size:1rem;font-weight:500;border-bottom:1px solid hsla(0,0%,100%,.05);transition:color .2s ease}.landing-page .landing-mobile-menu-links a:hover{color:var(--landing-text-primary)}.landing-page .landing-mobile-menu-cta{display:flex;flex-direction:column;gap:.75rem;padding-top:.5rem}.landing-page .hero{min-height:auto;padding:5rem 1.5rem 3rem}.landing-page .hero h1{font-size:clamp(2rem,5.5vw,3rem)}.landing-page .hero p:not(.hero-microcopy){font-size:1rem;margin-bottom:2rem}.landing-page .hero-cta{margin-bottom:2rem}.landing-page .hero-grid{display:none}.landing-page .section-header{margin-bottom:2.5rem}.landing-page .section-header p{font-size:1rem}.landing-page .step{margin-bottom:3.5rem}.landing-page .step-image{padding:1.5rem}.landing-page .logo-cloud{padding:48px 1.5rem}.landing-page .logos{gap:1.5rem}.landing-page .logo-item{font-size:.95rem}}@media (max-width:768px){.landing-page .hero{padding:4rem 1.25rem 2.5rem}.landing-page .hero-inner{gap:1.5rem}.landing-page .hero-mockup{width:100%;border-radius:12px}.landing-page .mockup-header{padding:.5rem .75rem}.landing-page .mockup-dot{width:8px;height:8px}.landing-page .badge{font-size:.7rem;padding:.3rem .75rem;margin-bottom:1.25rem}.landing-page .hero p:not(.hero-microcopy){font-size:.925rem;margin-bottom:1.5rem}.landing-page .logo-cloud{padding:36px 1rem}.landing-page .logo-cloud p{font-size:.8rem;margin-bottom:1.25rem}.landing-page .logos{gap:.75rem 1rem}.landing-page .logo-item{font-size:.8rem;font-weight:600}.landing-page section{padding:48px 1.25rem}.landing-page .features-grid{gap:16px}.landing-page .feature-card{padding:20px;min-height:auto;border-radius:14px}.landing-page .feature-icon{width:40px;height:40px;border-radius:10px;margin-bottom:1rem}.landing-page .feature-icon svg{width:20px;height:20px}.landing-page .feature-card h3{font-size:1rem;margin-bottom:.5rem}.landing-page .feature-card p{font-size:.825rem}.landing-page .how-it-works{padding:48px 1.25rem}.landing-page .step{gap:1.5rem;margin-bottom:2.5rem}.landing-page .step-number{width:44px;height:44px;font-size:1.15rem;border-radius:12px;top:-14px;left:-10px}.landing-page .step-image{padding:1.25rem;border-radius:14px}.landing-page .mock-content,.landing-page .upload-area{padding:1.25rem}.landing-page .step-content h3{font-size:1.25rem;margin-bottom:.5rem}.landing-page .step-content p{font-size:.9rem}.landing-page .pricing{padding:48px 1.25rem}.landing-page .pricing-grid{gap:16px}.landing-page .pricing-card{padding:24px 20px;border-radius:14px}.landing-page .pricing-price{font-size:2.25rem}.landing-page .faq .faq-grid{padding:0 .25rem!important}.landing-page .footer-container{padding:0 1.25rem}.landing-page .footer-top{gap:2rem}.landing-page .footer-brand p{font-size:.85rem}}@media (max-width:480px){.landing-page nav{padding:.75rem 1rem}.landing-page nav.scrolled{padding:.6rem 1rem}.landing-page .logo{font-size:1.25rem;gap:.5rem}.landing-page .hero{padding:3rem 1rem 2rem}.landing-page .hero h1{font-size:1.85rem;line-height:1.1;margin-bottom:1rem}.landing-page .hero p:not(.hero-microcopy){font-size:.875rem;line-height:1.6;margin-bottom:1.25rem}.landing-page .hero-cta{margin-bottom:1.5rem}.landing-page .btn-large{padding:14px 24px;font-size:.95rem;width:100%;justify-content:center}.landing-page .announcement-banner{font-size:.75rem;padding:.5rem .75rem}.landing-page section{padding:36px 1rem}.landing-page .section-header{margin-bottom:2rem}.landing-page .section-header h2{font-size:1.5rem}.landing-page .section-header p{font-size:.875rem}.landing-page .logo-cloud{padding:28px 1rem}.landing-page .logos{gap:.5rem .75rem}.landing-page .logo-item{font-size:.7rem}.landing-page .feature-card{padding:16px}.landing-page .step{margin-bottom:2rem}.landing-page .step-image{padding:1rem;border-radius:12px}.landing-page .mock-content,.landing-page .upload-area{padding:1rem}.landing-page .upload-icon{width:36px;height:36px;margin-bottom:.75rem}.landing-page .step-content h3{font-size:1.1rem}.landing-page .step-content p{font-size:.85rem}.landing-page .pricing-card{padding:20px 16px}.landing-page .pricing-name{font-size:1.1rem}.landing-page .pricing-price{font-size:2rem}.landing-page .pricing-features li{font-size:.85rem}.landing-page .footer-top{grid-template-columns:1fr;gap:1.5rem}.landing-page .footer-bottom{flex-direction:column;gap:.75rem;text-align:center}.landing-page .footer-bottom p{font-size:.8rem}}.landing-page .animate-on-scroll{opacity:0;transform:translateY(30px);transition:all .6s ease}.landing-page .animate-on-scroll.visible{opacity:1;transform:translateY(0)}.landing-page .features-grid .feature-card:nth-child(-n+3){transition-delay:0s}.landing-page .features-grid .feature-card:nth-child(n+4):nth-child(-n+6){transition-delay:.1s}.landing-page .features-grid .feature-card:nth-child(n+7){transition-delay:.2s}body.dashboard-layout .main-content{max-width:none;padding:1rem 1.25rem 2rem}.dashboard-footer-hidden{display:none}.dashboard-shell{--dashboard-nav-h:64px;--dashboard-side-w:260px;position:relative;min-height:calc(100vh - var(--dashboard-nav-h))}.dashboard-right-panel,.dashboard-sidebar{position:fixed;top:var(--dashboard-nav-h);height:calc(100vh - var(--dashboard-nav-h));width:var(--dashboard-side-w);background:#0a0a0a;border-color:#222;z-index:35}.dashboard-sidebar{left:0;border-right:1px solid #222;display:flex;flex-direction:column}.dashboard-sidebar-actions{padding:.9rem;display:grid;gap:.55rem}.dashboard-sidebar-new-folder,.dashboard-sidebar-upload{border:1px solid #222;border-radius:.8rem;padding:.72rem .8rem;font-weight:600;font-size:.88rem;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;gap:.45rem}.dashboard-sidebar-upload{background:#ff6b35;color:#111;border-color:#ff6b35}.dashboard-sidebar-upload:hover{background:#e05a2b}.dashboard-sidebar-new-folder{background:#111;color:var(--text-secondary)}.dashboard-sidebar-new-folder:hover{color:var(--text-primary)}.dashboard-sidebar-nav{padding:0 .65rem}.dashboard-sidebar-current-folder,.dashboard-sidebar-link{border-radius:.7rem;display:flex;align-items:center;gap:.55rem;text-decoration:none;padding:.62rem .75rem;color:var(--text-muted)}.dashboard-sidebar-link:hover{color:var(--text-primary);background:#111}.dashboard-sidebar-link.active{color:#ff6b35;background:rgba(255,107,53,.1)}.dashboard-sidebar-current-folder{margin-top:.4rem;background:#111;color:var(--text-secondary)}.dashboard-sidebar-folders{padding:1rem .9rem;min-height:0;flex:1;overflow-y:auto}.dashboard-sidebar-folders-title{font-size:.64rem;text-transform:uppercase;letter-spacing:.11em;color:#6b7280;margin-bottom:.55rem}.dashboard-sidebar-folder-list{display:grid;gap:.25rem}.dashboard-sidebar-folder-link{border-radius:.62rem;color:var(--text-secondary);display:flex;align-items:center;gap:.45rem;text-decoration:none;padding:.5rem .6rem;font-size:.86rem}.dashboard-sidebar-folder-link.active,.dashboard-sidebar-folder-link:hover{background:#111;color:var(--text-primary)}.dashboard-sidebar-folder-link span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dashboard-sidebar-empty{color:var(--text-muted);font-size:.82rem;padding:.25rem .4rem}.dashboard-sidebar-create-folder-cta{display:block;margin-top:.4rem;padding:.3rem .65rem;font-size:11px;font-weight:500;color:var(--primary,#f97316);background:transparent;border:1px solid rgba(249,115,22,.3);border-radius:6px;cursor:pointer;transition:all .15s ease}.dashboard-sidebar-create-folder-cta:hover{background:rgba(249,115,22,.1);border-color:rgba(249,115,22,.5)}.dashboard-sidebar-user{border-top:1px solid #222;background:#060606;padding:.9rem;display:grid;gap:.55rem}.dashboard-sidebar-user-top{display:flex;align-items:center;gap:.55rem;margin-bottom:0}.dashboard-sidebar-avatar{width:34px;height:34px;border-radius:999px;background:#ff6b35;color:#111;display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700}.dashboard-sidebar-user-text{min-width:0}.dashboard-sidebar-user-name{color:var(--text-primary);font-size:.83rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dashboard-sidebar-user-plan{color:var(--text-muted);font-size:.72rem}.dashboard-sidebar-settings{border-radius:.65rem;background:#1a1a1a;color:var(--text-secondary);text-decoration:none;display:block;text-align:center;font-size:.83rem;padding:.52rem .65rem}.dashboard-sidebar-settings:hover{color:var(--text-primary)}.dashboard-mobile-backdrop{position:fixed;inset:var(--dashboard-nav-h) 0 0 0;background:rgba(0,0,0,.55);z-index:30;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease}.dashboard-content-wrap{margin-left:var(--dashboard-side-w);margin-right:var(--dashboard-side-w);display:block;min-width:0}.dashboard-main-column{min-width:0;padding-top:.25rem}.dashboard-mobile-controls{display:none;align-items:center;gap:.55rem;margin-bottom:1rem}.dashboard-mobile-toggle{border:1px solid #222;background:#0a0a0a;color:var(--text-primary);width:44px;height:44px;border-radius:.65rem;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:0 10px 24px rgba(15,23,42,.08);transition:border-color .16s ease,background .16s ease,transform .16s ease,box-shadow .16s ease}.dashboard-mobile-toggle:hover{background:#111;border-color:rgba(255,107,53,.28);transform:translateY(-1px);box-shadow:0 14px 28px rgba(15,23,42,.12)}.dashboard-mobile-admin-link{color:#ff6b35}.dashboard-search-wrap{position:sticky;top:calc(var(--app-nav-height, 56px) + .6rem);z-index:15;display:flex;align-items:center;gap:.6rem;padding:.85rem 1rem;border-radius:14px;margin-bottom:1.25rem;background:#0a0a0a;border:1px solid #222;box-shadow:0 12px 30px rgba(15,23,42,.12)}.dashboard-search-wrap i,.dashboard-search-wrap svg{width:18px;height:18px;color:var(--text-muted)}.dashboard-search-wrap input{width:100%;border:none;outline:none;background:transparent;color:var(--text-primary);font-size:.92rem}.dashboard-search-wrap:focus-within{border-color:#ff6b35}.dashboard-mobile-search-gap{display:none}.dashboard-upload-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin-bottom:1.65rem}.upload-action-card{display:flex;align-items:center;gap:.65rem;padding:.9rem .95rem;border-radius:1rem;border:1px solid #222;background:#0a0a0a;color:var(--text-primary);text-align:left;cursor:pointer}.upload-action-card:hover{background:#111}.upload-action-icon{width:2rem;height:2rem;border-radius:.75rem;display:inline-flex;align-items:center;justify-content:center}.upload-action-icon i,.upload-action-icon svg{width:17px;height:17px}.upload-action-card:hover .upload-action-icon{transform:scale(1.1)}.upload-action-pdf{background:rgba(239,68,68,.15);color:#ef4444}.upload-action-audio{background:rgba(59,130,246,.15);color:#3b82f6}.upload-action-youtube{background:rgba(220,38,38,.15);color:#dc2626}.upload-action-url{background:rgba(45,212,191,.15);color:#2dd4bf}.dashboard-section-head{display:flex;align-items:center;justify-content:space-between;margin:.25rem 0 .8rem}.dashboard-section-head h2{margin:0;font-size:.95rem;color:var(--text-primary)}.dashboard-link-action{color:var(--primary,#f97316);font-size:13px;font-weight:500;opacity:.8;text-decoration:none;transition:opacity .15s ease}.dashboard-link-action:hover{opacity:1;text-decoration:underline;text-underline-offset:2px}.recent-strip{display:flex;gap:.5rem;overflow-x:auto;padding-bottom:.25rem;margin-bottom:1.25rem;scrollbar-width:thin;scrollbar-color:hsla(0,0%,100%,.1) transparent}.recent-strip::-webkit-scrollbar{height:4px}.recent-strip::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.1);border-radius:2px}.recent-chip{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:#0a0a0a;border:1px solid #222;border-radius:10px;text-decoration:none;white-space:nowrap;flex-shrink:0;min-width:0;max-width:260px;transition:background .15s ease,border-color .15s ease}.recent-chip:hover{background:#111;border-color:#333}.recent-chip-icon{width:1.5rem;height:1.5rem;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.recent-chip-icon.recent-type-document,.recent-chip-icon.recent-type-slides{color:var(--accent-blue,#60a5fa);background:rgba(96,165,250,.15)}.recent-chip-icon.recent-type-youtube{color:#dc2626;background:rgba(220,38,38,.15)}.recent-chip-icon.recent-type-audio{color:#3b82f6;background:rgba(59,130,246,.15)}.recent-chip-icon.recent-type-blank{color:var(--text-muted);background:hsla(0,0%,100%,.06)}.recent-chip-icon i,.recent-chip-icon svg{width:14px;height:14px}.recent-chip-title{font-size:13px;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;max-width:160px}.recent-chip-meta{font-size:11px;color:var(--text-muted);opacity:.6;margin-left:auto}.recent-chip-actions{display:flex;align-items:center;gap:.25rem;margin-left:auto;opacity:0;transition:opacity .15s ease}.recent-chip:hover .recent-chip-actions{opacity:1}.recent-chip:hover .recent-chip-meta{display:none}.recent-chip-action{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:6px;color:var(--text-muted);background:hsla(0,0%,100%,.06);transition:all .15s ease;cursor:pointer}.recent-chip-action:hover{color:var(--text-primary);background:rgba(249,115,22,.15)}.empty-mini{margin:0;font-size:.8rem;color:var(--text-muted)}.resources-table-wrap{border:1px solid #222;border-radius:1rem;overflow:hidden;background:#0a0a0a}.resources-table{width:100%;border-collapse:collapse}.resources-table-wrap table{width:100%;table-layout:auto}.resources-table td,.resources-table th{padding:.8rem .9rem;font-size:.86rem;color:var(--text-secondary);border-bottom:1px solid #222;text-align:left}.resources-table th{color:hsla(0,0%,100%,.55);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}.resources-table-wrap td:first-child,.resources-table-wrap th:first-child{width:auto;min-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.resources-table-wrap td:nth-child(2),.resources-table-wrap th:nth-child(2){width:140px}.resources-table-wrap td:nth-child(3),.resources-table-wrap th:nth-child(3){width:80px}.resources-table-wrap td:last-child,.resources-table-wrap th:last-child{width:90px}.resource-row{cursor:pointer}.resource-row:hover{background:#111}.resource-name-cell{display:flex;align-items:center;gap:.55rem;color:var(--text-primary);min-width:0}.resource-name-cell span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.resource-folder-icon{color:#ff6b35;width:18px;height:18px}.resource-doc-icon{color:var(--text-muted);width:18px;height:18px}.resource-action{border:none;background:transparent;color:var(--text-muted)}.resource-row-actions{display:inline-flex;align-items:center;gap:.25rem}.resource-actions-cell{width:90px;text-align:right}.resource-quick-action{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:6px;color:var(--text-muted);text-decoration:none;opacity:0;transition:all .15s ease}tr:hover .resource-quick-action{opacity:1}.resource-quick-action:hover{color:var(--text-primary);background:rgba(249,115,22,.12)}.resource-view-toggle{display:inline-flex;gap:.2rem;border:1px solid #222;border-radius:999px;padding:.22rem;background:hsla(0,0%,4%,.96);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.02)}.resource-view-toggle button{border:none;background:transparent;color:var(--text-muted);width:34px;height:34px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;transition:background .16s ease,color .16s ease,transform .16s ease}.resource-view-toggle button:hover{color:var(--text-primary);background:hsla(0,0%,100%,.04)}.resource-view-toggle button.active{background:linear-gradient(180deg,rgba(255,107,53,.16),rgba(255,107,53,.08));color:#ff6b35;box-shadow:0 4px 12px rgba(255,107,53,.16)}.resources-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}.resource-grid-card{border:1px solid #222;border-radius:1rem;background:#0a0a0a;padding:.9rem;cursor:pointer}.resource-grid-card:hover{background:#111}.resource-grid-card h3{margin:.65rem 0 .3rem;font-size:.9rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.resource-grid-card p{margin:0;font-size:.8rem;color:var(--text-muted)}.dashboard-right-panel{right:0;border-left:1px solid #222;display:flex;flex-direction:column}.dashboard-right-activity,.dashboard-right-bottom,.dashboard-right-stats,.dashboard-right-top{padding:.9rem}.dashboard-right-top{border-bottom:1px solid #222}.dashboard-ai-toggle{width:100%;border-radius:.82rem;border:1px solid #ff6b35;background:#ff6b35;color:#111;padding:.72rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;cursor:pointer}.dashboard-ai-toggle:hover{background:#e05a2b}.dashboard-right-label{font-size:.62rem;letter-spacing:.12em;color:#6b7280;text-transform:uppercase;margin-bottom:.5rem}.dashboard-right-stats{display:grid;gap:.55rem}.dashboard-stats-row{display:flex;align-items:center;gap:0;background:hsla(0,0%,100%,.03);border:1px solid hsla(0,0%,100%,.06);border-radius:10px;padding:.6rem 0}.dashboard-stat-compact{flex:1;display:flex;flex-direction:column;align-items:center;gap:.15rem}.dashboard-stat-num{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.dashboard-stat-label{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;line-height:1.2;text-align:center;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dashboard-stat-divider{width:1px;height:28px;background:hsla(0,0%,100%,.08)}.dashboard-stat-card{border:1px solid #222;background:#111;border-radius:.82rem;padding:.65rem .7rem}.dashboard-stat-value{font-size:1.25rem;line-height:1.1;font-weight:700;color:var(--text-primary)}.dashboard-stat-accent{color:var(--primary)}.dashboard-stat-text{font-size:.73rem;color:var(--text-muted);margin-top:.2rem}.dashboard-right-activity{min-height:0;flex:1;overflow-y:auto}.dashboard-activity-list{display:grid;gap:.42rem}.dashboard-activity-item{border:1px solid #222;border-radius:.66rem;text-decoration:none;background:#111;padding:.48rem .55rem;display:grid;gap:.16rem}.dashboard-activity-item:hover{border-color:#333}.dashboard-activity-action{font-size:.76rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dashboard-activity-empty,.dashboard-activity-time{font-size:.72rem;color:var(--text-muted)}.dashboard-right-bottom{border-top:1px solid #222}.dashboard-help-link{display:inline-flex;align-items:center;gap:.4rem;color:var(--text-secondary);text-decoration:none;font-size:.85rem}.dashboard-help-link:hover{color:var(--text-primary)}html:not([data-theme=dark]) .dashboard-right-panel,html:not([data-theme=dark]) .dashboard-sidebar{border-color:var(--border-subtle)}html:not([data-theme=dark]) .dashboard-sidebar{border-right-color:var(--border-subtle)}html:not([data-theme=dark]) .dashboard-right-panel{border-left-color:var(--border-subtle)}html:not([data-theme=dark]) .dashboard-activity-item,html:not([data-theme=dark]) .dashboard-search-wrap,html:not([data-theme=dark]) .dashboard-sidebar-current-folder,html:not([data-theme=dark]) .dashboard-sidebar-new-folder,html:not([data-theme=dark]) .dashboard-sidebar-settings,html:not([data-theme=dark]) .dashboard-stat-card,html:not([data-theme=dark]) .recent-chip,html:not([data-theme=dark]) .resource-grid-card,html:not([data-theme=dark]) .resource-view-toggle,html:not([data-theme=dark]) .resources-table-wrap,html:not([data-theme=dark]) .upload-action-card{background:var(--bg-card);border-color:var(--border-subtle)}html:not([data-theme=dark]) .dashboard-sidebar-folder-link.active,html:not([data-theme=dark]) .dashboard-sidebar-folder-link:hover,html:not([data-theme=dark]) .dashboard-sidebar-link:hover,html:not([data-theme=dark]) .recent-chip:hover,html:not([data-theme=dark]) .resource-grid-card:hover,html:not([data-theme=dark]) .resource-row:hover,html:not([data-theme=dark]) .resource-view-toggle button.active,html:not([data-theme=dark]) .upload-action-card:hover{background:var(--bg-card-hover)}html:not([data-theme=dark]) .dashboard-right-bottom,html:not([data-theme=dark]) .dashboard-right-top,html:not([data-theme=dark]) .dashboard-sidebar-user{background:var(--bg-secondary);border-color:var(--border-subtle)}html:not([data-theme=dark]) .dashboard-right-activity,html:not([data-theme=dark]) .dashboard-right-stats,html:not([data-theme=dark]) .dashboard-sidebar-actions{background:transparent}@media (max-width:1279px){.dashboard-content-wrap{margin-right:0}.dashboard-right-panel{transform:translateX(100%);transition:transform .2s ease}body.dashboard-panel-open .dashboard-right-panel{transform:translateX(0);z-index:40}}@media (max-width:980px){.dashboard-upload-grid,.resources-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-stats-row{flex-wrap:wrap}.dashboard-stat-divider{display:none}.dashboard-stat-compact{min-width:33%;padding:.25rem 0}}@media (max-width:767px){body.dashboard-layout .navbar{padding-left:1rem;padding-right:1rem}body.dashboard-layout .main-content{padding:.8rem .9rem 1.3rem}body.dashboard-layout .dashboard-link-action,body.dashboard-layout .dashboard-mobile-toggle,body.dashboard-layout .dashboard-sidebar-folder-link,body.dashboard-layout .dashboard-sidebar-link,body.dashboard-layout .dashboard-sidebar-new-folder,body.dashboard-layout .dashboard-sidebar-upload,body.dashboard-layout .recent-chip,body.dashboard-layout .resource-action,body.dashboard-layout .resource-quick-action,body.dashboard-layout .resource-view-toggle button,body.dashboard-layout .upload-action-card{min-height:44px;min-width:44px}body.dashboard-layout .dashboard-link-action,body.dashboard-layout .dashboard-sidebar-user-name,body.dashboard-layout .dashboard-sidebar-user-plan,body.dashboard-layout .empty-mini,body.dashboard-layout .recent-chip-meta,body.dashboard-layout .recent-chip-title,body.dashboard-layout .resource-grid-card h3,body.dashboard-layout .resource-grid-card p,body.dashboard-layout .resource-name-cell span,body.dashboard-layout .trial-badge{font-size:14px;line-height:1.35}body.dashboard-layout .dashboard-sidebar-user-plan,body.dashboard-layout .trial-badge{white-space:normal;text-overflow:clip;overflow:visible}body.notes-page-body .notes-container{padding-top:.75rem!important}.dashboard-content-wrap{margin-left:0;width:100%;max-width:100%}.dashboard-sidebar{display:flex;left:0;width:min(84vw,320px);max-width:320px;transform:translateX(-100%);transition:transform .22s ease;z-index:45}body.dashboard-sidebar-open .dashboard-sidebar{transform:translateX(0)}.dashboard-mobile-backdrop{display:block;z-index:44}body.dashboard-panel-open .dashboard-mobile-backdrop,body.dashboard-sidebar-open .dashboard-mobile-backdrop{opacity:1;visibility:visible;pointer-events:auto}.dashboard-mobile-controls{display:flex;justify-content:flex-start;margin-bottom:1rem}#dashboard-menu-toggle{display:inline-flex}#dashboard-panel-toggle{margin-left:auto}.dashboard-main-column{width:100%;max-width:100%}.dashboard-right-panel{position:fixed;bottom:0;left:0;right:0;top:auto;width:100%!important;max-width:100%!important;height:60vh;transform:translateY(100%);transition:transform .25s ease;border-left:none;border-top:1px solid hsla(0,0%,100%,.06);border-radius:16px 16px 0 0;z-index:50;overflow-y:auto}body.dashboard-panel-open .dashboard-right-panel{transform:translateY(0)}.dashboard-search-wrap{position:static;top:auto;margin-bottom:0}.dashboard-mobile-search-gap{display:block;height:0}.dashboard-upload-grid,.resources-grid{grid-template-columns:1fr}.dashboard-upload-grid{gap:1rem;margin-top:0;padding-top:1rem}.resources-table td:nth-child(3),.resources-table th:nth-child(3){display:none}}@media (max-width:768px){body.dashboard-layout .dashboard-link-action,body.dashboard-layout .dashboard-mobile-toggle,body.dashboard-layout .dashboard-sidebar-folder-link,body.dashboard-layout .dashboard-sidebar-link,body.dashboard-layout .dashboard-sidebar-new-folder,body.dashboard-layout .dashboard-sidebar-upload,body.dashboard-layout .recent-chip,body.dashboard-layout .resource-action,body.dashboard-layout .resource-quick-action,body.dashboard-layout .resource-view-toggle button,body.dashboard-layout .upload-action-card{min-height:44px;min-width:44px}body.dashboard-layout .dashboard-link-action,body.dashboard-layout .dashboard-sidebar-user-name,body.dashboard-layout .dashboard-sidebar-user-plan,body.dashboard-layout .empty-mini,body.dashboard-layout .recent-chip-meta,body.dashboard-layout .recent-chip-title,body.dashboard-layout .resource-grid-card h3,body.dashboard-layout .resource-grid-card p,body.dashboard-layout .resource-name-cell span,body.dashboard-layout .trial-badge{font-size:14px;line-height:1.35}}@media (max-width:640px){.recent-strip{flex-direction:column}.recent-chip{max-width:100%}.dashboard-sidebar-user-plan{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}@media (max-width:350px){.dashboard-sidebar-user-plan{font-size:.68rem}}[data-theme=dark]{--bg-elevated:#1a1a1a;--text-main:#fff;--text-secondary:#d1d5db;--text-muted:#9ca3af;--accent-primary:#ff6b35;--accent-primary-hover:#e05a2b;--accent-teal:#2dd4bf;--accent-purple:#c084fc;--accent-blue:#60a5fa;--bg-primary:var(--bg-body);--bg-secondary:var(--bg-surface);--bg-accent:var(--bg-surface-hover);--bg-card:var(--bg-surface);--bg-card-hover:var(--bg-surface-hover);--text-primary:var(--text-main);--primary:var(--accent-primary);--primary-hover:var(--accent-primary-hover);--primary-light:rgba(255,107,53,.15);--border-subtle:#1b1b1b}[data-theme=dark] body{background:var(--bg-body);color:var(--text-main)}.glass-panel{background:hsla(0,0%,4%,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid hsla(0,0%,100%,.08)}.doc-mobile-nav,.doc-rail,.modal,.notes-editor-toolbar,[data-theme=dark] .doc-rail{background:hsla(0,0%,4%,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:hsla(0,0%,100%,.08)}.doc-rail-link,.sidebar-link{color:var(--text-muted);transition:all .2s ease}.doc-rail-link:hover,.sidebar-link:hover{color:var(--text-main);background:hsla(0,0%,100%,.03)}.doc-rail-link.active,.sidebar-link.active{background:rgba(255,107,53,.1);color:var(--accent-primary);border-right:2px solid var(--accent-primary)}.doc-rail-link.active:before{display:none}.btn-primary{background:var(--accent-primary);color:#000;font-weight:600;border:1px solid var(--accent-primary);border-radius:9999px}.btn-primary:hover{background:var(--accent-primary-hover);border-color:var(--accent-primary-hover);color:#000}.btn-outline,.btn-secondary{background:transparent;border:1px solid var(--border-color);color:var(--text-muted)}.btn-outline:hover,.btn-secondary:hover{background:hsla(0,0%,100%,.05);border-color:var(--border-hover);color:var(--text-main)}.progress-track{background:var(--border-color)}.progress-fill{background:linear-gradient(90deg,var(--accent-teal),#14b8a6);transition:width .3s ease}.doc-row{border:1px solid transparent}.doc-row:hover{background:var(--bg-surface-hover);border-color:var(--border-color)}.doc-row:hover .doc-row-title{color:var(--accent-primary)}.podcast-page{max-width:980px}.podcast-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:1rem;padding:2rem;max-width:42rem;margin:0 auto 1.5rem;box-shadow:0 25px 50px -12px rgba(255,107,53,.08)}.podcast-header{display:flex;align-items:center;gap:1rem}.podcast-artwork{width:5rem;height:5rem;border-radius:.75rem;background:linear-gradient(135deg,#ff6b35,#9a3412)}.podcast-label{font-size:.72rem;font-weight:700;color:var(--accent-primary);letter-spacing:.08em;text-transform:uppercase}.podcast-title{margin-top:.2rem}.podcast-info{color:var(--text-secondary)}.download-btn{display:inline-flex;align-items:center;justify-content:center;width:2.2rem;height:2.2rem;border-radius:9999px;border:1px solid var(--border-color);color:var(--text-muted);text-decoration:none}.download-btn:hover{color:var(--text-main);border-color:var(--border-hover);background:hsla(0,0%,100%,.05)}.waveform-container{position:relative;height:6rem;margin-top:1.25rem;cursor:pointer;padding:0 .35rem}.waveform-bar{position:absolute;bottom:0;min-height:10%;background:var(--border-color);border-radius:9999px;transition:background .2s ease,filter .2s ease,transform .16s ease;transform-origin:bottom center}.waveform-bar.played,.waveform-bar.playing{background:var(--accent-primary)}.waveform-bar.playing{filter:brightness(1.2);transform:scaleY(1.08)}.waveform-bar:hover{background:var(--accent-primary);opacity:.8}.waveform-container.loading:after{content:"Loading waveform...";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.75rem;color:var(--text-muted)}.waveform-container.waveform-fallback:after{content:"Waveform unavailable";position:absolute;top:-.65rem;right:.4rem;font-size:.65rem;color:var(--text-muted)}.progress-container{margin-top:.25rem}.podcast-card .progress-bar{height:.3rem;border-radius:9999px}.podcast-card .progress-fill{background:#fff;border-radius:9999px}.podcast-card .progress-handle{width:.75rem;height:.75rem;background:#fff;border:none}.progress-time{display:flex;align-items:center;justify-content:space-between;margin-top:.5rem}.podcast-card .player-controls{justify-content:center;gap:.55rem;margin-top:1.2rem;flex-wrap:wrap}.podcast-card .pill{border-color:var(--border-color)}.podcast-card .speed-pill.active{background:var(--accent-primary);border-color:var(--accent-primary);color:#000}.podcast-transcript{max-width:46rem;margin:0 auto}.transcript-content{background:transparent;border:0;border-radius:.95rem;padding:1.15rem;font-size:.93rem;color:var(--text-secondary)}[data-theme=dark]{--bg-body:#000;--bg-surface:#0a0a0a;--bg-surface-hover:#111;--bg-elevated:#0a0a0a;--border-color:#222;--border-subtle:#222;--border-hover:#333;--bg-primary:#000;--bg-secondary:#0a0a0a;--bg-accent:#0a0a0a;--bg-card:#0a0a0a;--bg-card-hover:#111}[data-theme=dark] body{background:#000}[data-theme=dark] .admin-chart-card,[data-theme=dark] .admin-table-wrapper,[data-theme=dark] .ai-panel,[data-theme=dark] .card,[data-theme=dark] .chat-sidebar,[data-theme=dark] .doc-mobile-nav,[data-theme=dark] .doc-rail,[data-theme=dark] .doc-row,[data-theme=dark] .modal,[data-theme=dark] .navbar,[data-theme=dark] .notes-chat-panel,[data-theme=dark] .notes-editor-toolbar,[data-theme=dark] .notes-shell,[data-theme=dark] .player-card,[data-theme=dark] .podcast-card,[data-theme=dark] .podcast-config,[data-theme=dark] .script-section,[data-theme=dark] .settings-card,[data-theme=dark] .stat-card,[data-theme=dark] .subject-card,[data-theme=dark] .transcript-content{background:#0a0a0a!important;border-color:#222!important}[data-theme=dark] .btn-outline:hover,[data-theme=dark] .btn-secondary:hover,[data-theme=dark] .card:hover,[data-theme=dark] .doc-rail-link:hover,[data-theme=dark] .doc-row:hover,[data-theme=dark] .sidebar-link:hover,[data-theme=dark] .subject-card:hover{background:#111!important}[data-theme=light]{--bg-body:#f5f7fa;--bg-surface:#fff;--bg-surface-hover:#f3f4f6;--bg-elevated:#fff;--border-color:#e2e8f0;--border-subtle:#e2e8f0;--border-hover:#cbd5e1;--text-main:#111827;--text-secondary:#374151;--text-muted:#6b7280;--accent-primary:#ff6b35;--accent-primary-hover:#e05a2b;--accent-teal:#14b8a6;--accent-purple:#8b5cf6;--accent-blue:#2563eb;--bg-primary:var(--bg-body);--bg-secondary:var(--bg-surface);--bg-accent:#f8fafc;--bg-card:var(--bg-surface);--bg-card-hover:var(--bg-surface-hover);--text-primary:var(--text-main);--primary:var(--accent-primary);--primary-hover:var(--accent-primary-hover);--primary-light:rgba(255,107,53,.12)}[data-theme=light] body,html:not([data-theme=dark]) body{background:#f5f7fa;color:var(--text-main)}html:not([data-theme=dark]) .admin-chart-card,html:not([data-theme=dark]) .admin-table-wrapper,html:not([data-theme=dark]) .ai-panel,html:not([data-theme=dark]) .card,html:not([data-theme=dark]) .chat-sidebar,html:not([data-theme=dark]) .doc-mobile-nav,html:not([data-theme=dark]) .doc-rail,html:not([data-theme=dark]) .doc-row,html:not([data-theme=dark]) .modal,html:not([data-theme=dark]) .navbar,html:not([data-theme=dark]) .notes-chat-panel,html:not([data-theme=dark]) .notes-editor-toolbar,html:not([data-theme=dark]) .notes-shell,html:not([data-theme=dark]) .player-card,html:not([data-theme=dark]) .podcast-card,html:not([data-theme=dark]) .podcast-config,html:not([data-theme=dark]) .script-section,html:not([data-theme=dark]) .settings-card,html:not([data-theme=dark]) .stat-card,html:not([data-theme=dark]) .subject-card,html:not([data-theme=dark]) .transcript-content{background:#fff!important;border-color:#e2e8f0!important}html:not([data-theme=dark]) .btn-outline:hover,html:not([data-theme=dark]) .btn-secondary:hover,html:not([data-theme=dark]) .card:hover,html:not([data-theme=dark]) .doc-rail-link:hover,html:not([data-theme=dark]) .doc-row:hover,html:not([data-theme=dark]) .sidebar-link:hover,html:not([data-theme=dark]) .subject-card:hover{background:#f3f4f6!important}.raise-hand-bar{margin:.75rem 0}.raise-hand-bar,.raise-hand-btn{display:flex;justify-content:center}.raise-hand-btn{align-items:center;gap:.5rem;width:100%;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:.75rem;background:linear-gradient(135deg,#1a1a1a,#2a1a0a);color:#fdba74;cursor:pointer;transition:transform .15s,box-shadow .15s,background .2s;box-shadow:0 2px 12px rgba(249,115,22,.15)}.raise-hand-btn:hover{background:linear-gradient(135deg,#2a1a0a,#3d2008);box-shadow:0 4px 20px rgba(249,115,22,.3);color:#fed7aa}.voice-panel{position:relative;display:flex;align-items:center;justify-content:center;min-height:380px;border-radius:1rem;background:radial-gradient(ellipse at 50% 40%,#1a1208 0,#0c0a05 60%,#050403 100%);overflow:hidden;margin-bottom:1rem}.voice-particles{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}.voice-panel-content{z-index:1;flex-direction:column;padding:2.5rem 2rem 2rem;width:100%}.voice-orb,.voice-panel-content{position:relative;display:flex;align-items:center}.voice-orb{width:120px;height:120px;justify-content:center;margin-bottom:1.5rem}.voice-orb-core{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#ea580c,#f97316);box-shadow:0 0 30px rgba(249,115,22,.4),0 0 60px rgba(249,115,22,.15);transition:transform .3s ease,box-shadow .3s ease,background .3s ease;z-index:2}.voice-orb-glow{width:90px;height:90px;background:radial-gradient(circle,rgba(249,115,22,.25) 0,transparent 70%);z-index:1;transition:transform .3s,opacity .3s}.voice-orb-glow,.voice-orb-ring{position:absolute;border-radius:50%}.voice-orb-ring{width:100px;height:100px;border:1.5px solid rgba(249,115,22,.2);z-index:0;transition:transform .3s,border-color .3s}.voice-orb--connecting .voice-orb-core{background:linear-gradient(135deg,#64748b,#94a3b8);box-shadow:0 0 20px rgba(100,116,139,.3);animation:v-pulse 1.4s ease-in-out infinite}.voice-orb--connecting .voice-orb-glow{opacity:.3}.voice-orb--idle .voice-orb-core{animation:v-breathe 3s ease-in-out infinite}.voice-orb--listening .voice-orb-core{animation:v-listen .7s ease-in-out infinite;box-shadow:0 0 40px rgba(249,115,22,.6),0 0 80px rgba(249,115,22,.2)}.voice-orb--listening .voice-orb-glow{animation:v-glow-pulse .7s ease-in-out infinite}.voice-orb--listening .voice-orb-ring{border-color:rgba(249,115,22,.5);animation:v-ring-expand 1.4s ease-out infinite}.voice-orb--processing .voice-orb-core{animation:v-pulse 1.2s ease-in-out infinite;background:linear-gradient(135deg,#ea580c,#f97316);box-shadow:0 0 30px rgba(249,115,22,.4)}.voice-orb--speaking .voice-orb-core{animation:v-speak .5s ease-in-out infinite;background:linear-gradient(135deg,#f97316,#fb923c);box-shadow:0 0 50px rgba(249,115,22,.6),0 0 100px rgba(249,115,22,.2)}.voice-orb--speaking .voice-orb-glow{animation:v-glow-speak .5s ease-in-out infinite;opacity:.8}.voice-orb--speaking .voice-orb-ring{border-color:rgba(251,146,60,.4);animation:v-ring-pulse .8s ease-in-out infinite}@keyframes v-pulse{0%,to{transform:scale(1);opacity:.8}50%{transform:scale(1.08);opacity:1}}@keyframes v-breathe{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}@keyframes v-listen{0%,to{transform:scale(1)}50%{transform:scale(1.18)}}@keyframes v-glow-pulse{0%,to{transform:scale(1);opacity:.4}50%{transform:scale(1.2);opacity:.7}}@keyframes v-ring-expand{0%{transform:scale(1);opacity:.5}to{transform:scale(1.4);opacity:0}}@keyframes v-speak{0%,to{transform:scale(1)}30%{transform:scale(1.14)}70%{transform:scale(.96)}}@keyframes v-glow-speak{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.15);opacity:.9}}@keyframes v-ring-pulse{0%,to{transform:scale(1);opacity:.4}50%{transform:scale(1.08);opacity:.7}}.voice-status{font-size:1.5rem;font-weight:800;color:#f1f5f9;margin:0 0 .25rem;letter-spacing:-.01em}.voice-subtitle{font-size:.875rem;color:#94a3b8;margin:0 0 1.25rem}.voice-transcript{width:100%;max-height:140px;overflow-y:auto;margin-bottom:1.25rem;display:flex;flex-direction:column;gap:.4rem;scrollbar-width:thin;scrollbar-color:rgba(249,115,22,.3) transparent}.voice-msg{font-size:.8rem;line-height:1.4;padding:.4rem .7rem;border-radius:.6rem;max-width:85%}.voice-msg--user{align-self:flex-end;background:rgba(249,115,22,.15);color:#fdba74}.voice-msg--assistant{align-self:flex-start;background:rgba(30,25,20,.6);color:#e2e8f0}.voice-back-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.25rem;border:none;border-radius:999px;background:hsla(0,0%,100%,.08);color:#fdba74;font-weight:500;font-size:.85rem;cursor:pointer;transition:background .2s,color .2s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.voice-back-btn:hover{background:hsla(0,0%,100%,.14);color:#fed7aa}.quiz-results-shell{max-width:780px;margin:0 auto;padding:2rem 1.5rem}.quiz-score-value{font-size:clamp(2.2rem,6vw,3rem);font-weight:800;line-height:1.05;color:var(--primary)}.quiz-score-label{font-size:1.1rem;font-weight:600;margin-top:.35rem}.quiz-results-actions{margin-top:1.5rem;display:flex;flex-direction:column;gap:1rem;align-items:stretch}.quiz-results-primary-actions,.quiz-results-secondary-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.quiz-results-primary-actions .btn,.quiz-results-secondary-actions .btn{min-width:220px}.quiz-results-description{color:var(--text-muted);font-size:.9rem;margin:0}.quiz-weak-feedback{padding:1rem;border:1px solid var(--warning);border-radius:10px;background:linear-gradient(135deg,var(--warning-bg) 0,var(--bg-card) 100%);text-align:left}.quiz-weak-feedback-row{display:flex;align-items:center;gap:.7rem}.quiz-weak-feedback-icon{font-size:1.2rem;line-height:1}.quiz-weak-feedback-text{font-weight:600;color:var(--text-primary)}.quiz-attempt-history{padding:.95rem;border-radius:10px;background:var(--bg-secondary);text-align:left}.quiz-attempt-history-label{font-size:.82rem;color:var(--text-muted);margin-bottom:.35rem}.quiz-attempt-history-values{font-size:.98rem;font-weight:600;color:var(--text-primary)}.quiz-inline-review{margin-top:1rem}.quiz-review-card{padding:1.15rem;margin-bottom:.75rem}.quiz-review-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem;gap:.5rem}.quiz-review-question-index{font-weight:600;color:var(--text-muted);font-size:.85rem}.quiz-review-status{font-size:.8rem;font-weight:700}.quiz-review-question-text{font-weight:600;margin-bottom:.75rem;color:var(--text-primary)}@media (max-width:768px){.quiz-results-shell{padding:1.2rem .9rem}.quiz-results-primary-actions .btn,.quiz-results-secondary-actions .btn{width:100%;min-width:0}}body.has-doc-rail .doc-rail{top:calc(var(--app-nav-height, 53px) - 1px);height:calc(100vh - var(--app-nav-height, 53px) + 1px);position:sticky}body.has-doc-rail .doc-rail:before{content:"";position:absolute;left:0;right:0;top:-2px;height:3px;background:inherit;pointer-events:none;z-index:1}html:not([data-theme=dark]) body.notes-page-body.has-doc-rail .navbar{border-bottom-color:transparent!important}body.notes-page-body.has-doc-rail .doc-rail{top:calc(var(--app-nav-height, 53px) - 2px);height:calc(100vh - var(--app-nav-height, 53px) + 2px)}body.notes-page-body.has-doc-rail .doc-rail:before{top:-3px;height:4px}html:not([data-theme=dark]) .dashboard-right-panel,html:not([data-theme=dark]) .dashboard-sidebar{background:var(--bg-card)}html:not([data-theme=dark]) .dashboard-sidebar{border-right:1px solid var(--border-subtle)}html:not([data-theme=dark]) .dashboard-right-panel{border-left:1px solid var(--border-subtle)}html:not([data-theme=dark]) .dashboard-sidebar-new-folder{background:var(--bg-secondary);border-color:var(--border-color);color:var(--text-secondary)}html:not([data-theme=dark]) .dashboard-sidebar-new-folder:hover{background:var(--bg-accent);color:var(--text-primary)}html:not([data-theme=dark]) .dashboard-sidebar-current-folder{background:var(--bg-card);border-color:var(--border-subtle)}html:not([data-theme=dark]) .dashboard-sidebar-folder-link.active,html:not([data-theme=dark]) .dashboard-sidebar-folder-link:hover,html:not([data-theme=dark]) .dashboard-sidebar-link:hover{background:var(--bg-secondary)}html:not([data-theme=dark]) .dashboard-sidebar-link.active{background:rgba(249,115,22,.08)}html:not([data-theme=dark]) .dashboard-sidebar-user{background:var(--bg-secondary);border-top:1px solid var(--border-subtle)}html:not([data-theme=dark]) .dashboard-sidebar-settings{background:var(--bg-card);border-color:var(--border-subtle);color:var(--text-secondary)}html:not([data-theme=dark]) .dashboard-sidebar-settings:hover{background:var(--bg-accent);border-color:var(--border-color);color:var(--text-primary)}html:not([data-theme=dark]) .dashboard-search-wrap{background:var(--bg-card);border-color:var(--border-subtle)}html:not([data-theme=dark]) .upload-action-card{background:#fff;border-color:var(--border-color)}html:not([data-theme=dark]) .upload-action-card:hover{background:#fafbfc;border-color:var(--border-hover);box-shadow:0 2px 8px rgba(0,0,0,.06)}html:not([data-theme=dark]) .recent-chip{background:#fff;border-color:rgba(0,0,0,.08)}html:not([data-theme=dark]) .recent-chip:hover{background:#f9fafb;border-color:rgba(0,0,0,.15)}html:not([data-theme=dark]) .recent-chip-icon.recent-type-blank{background:rgba(0,0,0,.05)}html:not([data-theme=dark]) .recent-chip-action{background:rgba(0,0,0,.04)}html:not([data-theme=dark]) .recent-chip-action:hover{background:rgba(249,115,22,.1)}html:not([data-theme=dark]) .recent-strip{scrollbar-color:rgba(0,0,0,.1) transparent}html:not([data-theme=dark]) .recent-strip::-webkit-scrollbar-thumb{background:rgba(0,0,0,.1)}html:not([data-theme=dark]) .resource-grid-card,html:not([data-theme=dark]) .resources-table-wrap{background:var(--bg-card);border-color:var(--border-subtle)}html:not([data-theme=dark]) .resource-grid-card:hover,html:not([data-theme=dark]) .resource-row:hover{background:var(--bg-card-hover)}html:not([data-theme=dark]) .resource-view-toggle{background:var(--bg-card);border-color:var(--border-subtle);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.5)}html:not([data-theme=dark]) .resource-view-toggle button.active{background:rgba(255,107,53,.12);color:var(--primary,#ff6b35);box-shadow:0 4px 10px rgba(255,107,53,.1)}html:not([data-theme=dark]) .dashboard-right-activity,html:not([data-theme=dark]) .dashboard-right-stats{background:transparent}html:not([data-theme=dark]) .dashboard-stats-row{background:rgba(0,0,0,.02);border-color:rgba(0,0,0,.06)}html:not([data-theme=dark]) .dashboard-stat-divider{background:rgba(0,0,0,.08)}html:not([data-theme=dark]) .dashboard-stat-card{background:var(--bg-card);border-color:var(--border-subtle)}html:not([data-theme=dark]) .dashboard-activity-item{background:#fff;border-color:rgba(0,0,0,.06)}html:not([data-theme=dark]) .dashboard-activity-item:hover{border-color:rgba(249,115,22,.2);background:#fafbfc}html:not([data-theme=dark]) .dashboard-right-top{background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle)}html:not([data-theme=dark]) .dashboard-right-bottom{background:var(--bg-secondary);border-top:1px solid var(--border-subtle)}html:not([data-theme=dark]) .dashboard-mobile-toggle{background:var(--bg-card);border-color:var(--border-subtle)}html:not([data-theme=dark]) .resources-table th{color:rgba(0,0,0,.55)}html:not([data-theme=dark]) .resources-table td,html:not([data-theme=dark]) .resources-table th{border-bottom-color:var(--border-subtle)}html:not([data-theme=dark]) .resource-quick-action:hover{background:rgba(249,115,22,.08)}html:not([data-theme=dark]) .dashboard-sidebar-create-folder-cta{border-color:var(--border-color);color:var(--primary)}html:not([data-theme=dark]) .dashboard-sidebar-create-folder-cta:hover{background:rgba(249,115,22,.06)}.landing-page .hero h1{font-weight:800}.landing-page .hero p:not(.hero-microcopy){max-width:560px;margin:0 auto 2rem}.landing-page .hero-benefits{display:flex;align-items:center;justify-content:center;gap:1.5rem;margin-bottom:2rem;animation:fadeInUp .6s ease .3s both}.landing-page .hero-benefit-item{display:inline-flex;align-items:center;gap:.4rem;font-size:.95rem;font-weight:600;color:hsla(0,0%,100%,.8)}.landing-page .hero-benefit-item:before{content:"";width:6px;height:6px;border-radius:50%;background:#ff6b35;flex-shrink:0}.landing-page .hero-cta{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;margin-bottom:3rem;animation:fadeInUp .6s ease .35s both}.landing-page .hero p.hero-microcopy{font-size:.75rem;color:hsla(0,0%,100%,.3);margin-top:1rem;margin-bottom:0;max-width:none;font-weight:400;line-height:normal;letter-spacing:.02em;animation:none;text-align:center}.landing-page .section-header h2{font-weight:800;letter-spacing:-.02em}.landing-page .testimonials-proof{margin-top:.72rem;display:inline-flex;align-items:center;gap:.48rem;padding:.34rem .7rem;border-radius:999px;border:1px solid hsla(0,0%,100%,.12);background:hsla(0,0%,100%,.04);font-size:.74rem;font-weight:700;letter-spacing:.03em;text-transform:none;color:hsla(0,0%,100%,.78)}.landing-page .testimonials-proof:before{content:"";width:6px;height:6px;border-radius:999px;background:#ff8a5b;box-shadow:0 0 0 4px rgba(255,107,53,.15);flex-shrink:0}.landing-page .testimonials{padding:80px 2rem;position:relative;z-index:1;max-width:1200px;margin:0 auto}.landing-page .testimonials-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;max-width:900px;margin:0 auto}.landing-page .testimonial-card{background:hsla(0,0%,100%,.03);border:1px solid hsla(0,0%,100%,.08);border-left:3px solid #ff6b35;border-radius:12px;padding:1.5rem 1.75rem;transition:transform .2s ease,background .2s ease;display:flex;flex-direction:column;justify-content:space-between}.landing-page .testimonial-card:hover{transform:translateY(-2px);background:hsla(0,0%,100%,.05)}.landing-page .testimonial-quote-mark{color:#ff6b35;font-size:1.75rem;font-weight:700;line-height:1;margin-bottom:.5rem;-webkit-user-select:none;-moz-user-select:none;user-select:none}.landing-page .testimonial-text{font-size:.95rem;line-height:1.65;color:hsla(0,0%,100%,.82);margin-bottom:1rem;letter-spacing:-.01em}.landing-page .testimonial-author{font-size:.72rem;font-weight:600;color:hsla(0,0%,100%,.35);text-transform:uppercase;letter-spacing:.08em}.landing-page .final-cta{padding:100px 2rem;text-align:center;position:relative;z-index:1}.landing-page .final-cta-inner{max-width:600px;margin:0 auto}.landing-page .final-cta h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:1rem;letter-spacing:-.02em}.landing-page .final-cta p{color:var(--landing-text-secondary);font-size:1.1rem;margin-bottom:2rem}.landing-page .final-cta .btn{margin-bottom:0}.landing-page .final-cta .final-cta-microcopy{margin-top:.75rem;margin-bottom:0;font-size:.8rem;color:hsla(0,0%,100%,.4)}@media (max-width:768px){.landing-page .hero p:not(.hero-microcopy){margin-bottom:1.75rem}.landing-page .hero-benefits{flex-direction:column;align-items:center;gap:.5rem;margin-bottom:1.5rem}.landing-page .hero-benefit-item{font-size:.85rem}.landing-page .testimonials{padding:48px 1.5rem}.landing-page .testimonials-grid{grid-template-columns:1fr;gap:1rem}}@media (max-width:640px){.landing-page .hero p:not(.hero-microcopy){margin-bottom:1.5rem}.landing-page .hero-benefits{gap:.4rem;margin-bottom:1.25rem}.landing-page .testimonials{padding:28px 1rem}.landing-page .testimonials-proof{margin-top:.55rem;padding:.3rem .58rem;font-size:.68rem;letter-spacing:.02em}.landing-page .testimonial-card{padding:1rem}.landing-page .testimonial-text{font-size:.8rem;margin-bottom:.6rem}.landing-page .testimonial-quote-mark{font-size:1.25rem;margin-bottom:.25rem}.landing-page .final-cta{padding:48px 1rem}.landing-page .final-cta h2{font-size:1.5rem}.landing-page .final-cta p{font-size:.925rem}}.upload-tab-content .form-group{margin-bottom:1rem}.upload-guidance-note{margin-top:.6rem;padding:.5rem .65rem;border:1px solid var(--border-subtle);border-radius:8px;background:color-mix(in srgb,var(--bg-secondary) 88%,transparent)}.upload-guidance-text{margin:0;font-size:.74rem;line-height:1.4;color:var(--text-muted)}.upload-guidance-status{margin:.32rem 0 0;font-size:.72rem;line-height:1.3;color:var(--text-secondary)}body.notes-page-body .breadcrumb{gap:.45rem;font-size:.82rem;margin-bottom:.55rem;padding:.35rem 0}body.notes-page-body .breadcrumb a{color:var(--text-secondary);font-weight:500}body.notes-page-body .breadcrumb a:hover{color:var(--primary,#ff6b35);text-underline-offset:3px}body.notes-page-body .breadcrumb-separator{opacity:.4;font-size:1em}body.notes-page-body .breadcrumb-current{color:var(--text-primary);font-weight:600}.resource-view-toggle{gap:2px;padding:.18rem}.doc-rail-link{transition:color .15s ease,background .15s ease,gap .2s ease,padding .2s ease}.doc-rail-link i,.doc-rail-link svg{transition:color .15s ease,margin .2s ease}.doc-rail-label{transition:opacity .2s ease,max-width .2s ease}.chat-input-wrapper{align-items:center;padding:.5rem .5rem .5rem .75rem;transition:border-color .2s ease,box-shadow .2s ease}.chat-input-wrapper:focus-within{border-color:rgba(255,107,53,.45);box-shadow:0 0 0 3px rgba(255,107,53,.08),0 2px 8px rgba(0,0,0,.12)}.chat-input{padding:.3rem .25rem;line-height:1.4}@media (max-width:768px){.nav-container .nav-user{gap:.35rem}.nav-container .nav-user .nav-user-identity{gap:.35rem;max-width:7.5rem}.nav-container .nav-user .username{max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.nav-container .nav-user .nav-user-role{padding:.14rem .32rem;font-size:8px}.nav-container .nav-user .trial-badge{font-size:10px;padding:.15rem .35rem}.nav-container .nav-user .btn-sm{font-size:11px;padding:.2rem .4rem}}@media (max-width:640px){.dashboard-mobile-controls{gap:.55rem;margin-bottom:.75rem}.dashboard-mobile-toggle{width:42px;height:42px;border-radius:.5rem}.dashboard-search-wrap{margin-bottom:0}.dashboard-mobile-search-gap{height:0}.dashboard-upload-grid{gap:1rem;padding-top:1rem;margin-bottom:1.5rem}.resource-view-toggle button{width:36px;height:36px}}@media (min-width:768px){.md\:inline{display:inline}.md\:flex{display:flex}}